Internet-based social networking services; providing information regarding social networking via online computer databases.

Scientific apparatus, devices and instruments for laboratory research purposes; chemical, optical, photographic and nautical apparatus and instruments; geodetic measuring devices and instruments; weighing, signaling, measuring, counting, recording, monitoring, testing and switching devices; electrical and electronic open and closed-loop control devices; electric switchgear and control cabinets; thermostats; lasers for technical purposes; electron microscopes; remote control devices; coin or token-operated automatic parking machines, except for vending and automated teller machines; electric and electronic devices for data acquisition, processing, transmission, storage and output, particularly multi-functional computers, central processing units, personal computers, workstations, memories, terminals, control devices, printers, interface devices and input and output devices, particularly keyboards and display units; telex machines; copying machines; fax machines; data processing programs; image, sound and data recording equipment (except for unexposed films); electrical lines and cables; bus bars; electrical installation materials (included in this class), particularly switches, dimmers, sockets, switched socket outlets, distribution boxes, aerial sockets, loudspeaker outlets and junction boxes, plug-in communications devices; blind control switches; thermometers; hygrometers; plug-in connector assemblies; fuses, proximity switches, fault current circuit breakers, relays, contactors, terminals, cable sleeves, cable cabinets, fuse boxes, tapping boxes, connection boxes, distribution cabinets, switchboards, switch clocks, electricity meters; ultrasonic and infrared transmitting and receiving devices and associated relay stations for switching, dimming and momentary contact switching functions; modules for switching and dimming; time-delay switches; synchros; filament transformers with electric starting aid for brightness control of fluorescent lamps; ballast, open-loop and closed loop control equipment for fluorescent lamps; switching and control equipment for building systems technology; signaling devices; intercom systems; distribution, ducting and laying systems for electrical installations; electric and electronic alarm devices and systems as well as electric and electronic site security devices and systems for security services, particularly burglar and personal attack alarm systems, anti-theft systems, access control systems and video monitoring systems; infrared pass-key systems; autonomous hazard signaling devices for water and fire damage; electronic systems for the surveillance of individuals; personal identification devices; electric and electronic equipment and systems for process control engineering; servicing equipment and automated machinery for power plant applications such as pipe testing equipment, equipment tor non-destructive testing of materials in power plants, eddy current test equipment, ultrasonic test equipment, leakage detectors; electric recording and measuring equipment for air, water and soil pollution, and of noise, vibrations, radioactivity and meteorological data; process measurement and control equipment such as flow meters, pressure gauges, regulators, actuators; electrical and electronic devices for analytical purposes such as systems analysis, chromatography and X-ray analysis; X-ray equipment for technical purposes; electric and electronic devices and systems consisting thereof used for weighing; electric couplers; programmable logic controllers, particularly for machine tools; devices and parts thereof and systems including such devices for detecting and localizing any leaks in tanks and containers holding solid, liquid and gaseous substances; equipment for non-destructive materials testing; high-voltage, medium-voltage and low-voltage circuit-breakers and switchgear; high-voltage direct-current transmission systems; electric rectifiers and inverters; transducers; arresters; vacuum tubes for switchgear; switch cabinets; metering devices for use in conjunction with electricity, gas, liquids and heat; instrumentation and control equipment and devices for switchgear and power system control; transformers, power cables and lines; electronic dynamometers and torque measuring equipment; electronic load indicators; solar collectors for electricity generation; emergency power supply units; electrical, electronic and ceramic components and subassemblies consisting thereof (included in this class); electric batteries; fuel cells; accumulators; solar cells and solar installations consisting thereof; sensors; optoelectronic components and subassemblies consisting thereof (included in this class); optocouplers; electrical resistors; capacitors; inductors; electric coils; NTC and PTC thermistors; filters (included in this class); printed, etched, cast end integrated circuits; chip cards, chip card readers; testing devices for electrical and electronic components and subassemblies; magnets and electrical and electronic resonators; electronic tubes; surge arresters; devices for the recording, emission, transmission, reception, reproduction and processing of sounds and/or characters and/or images; communication devices and systems made up of such devices; data switching and transmission devices; devices and systems for mobile radio communications; devices and systems for the transmission of speech, data and images; telecommunication cables, telecommunication lines and optical fibers for electrical and optical transmission of speech, data and images; telephones; batteries; accumulators and battery chargers, telephone systems, videophones; car phones; telephone answering machines; call charge indicators; telephones with integral fax machines; radio telephones and radio communication equipment; intercom and two-way intercom systems; modems; couplers; transceivers; (electric) concentrators, power supply devices (included in this class) and collision detectors and optical plug-in modules for fiber-optic transmission systems; television cameras; radios; navigation devices; car radios; television sets; record players; CD recording equipment and players; cassette recorders; video recorders; aerials and aerial systems; radar sets; short wave transmitter and receiver stations; selector radio systems; air-ground communication systems; microwave radio systems; satellite radio equipment; encoding devices; thermal imaging devices; laser distance measuring equipment; inquiry and response systems for aircraft identification; devices for the reception, localization and classification of electromagnetic signals; navigational devices for land vehicles, watercrafts and aircrafts; traffic decoders; pilot computers; on-board computers; devices for airbag and tire diagnosis; temperature sensors; cable harnesses, particularly for on-board power supply; electrical and electronic ignition, control and switching devices; electrical and electronic devices for fuel injection control and central fuel injection; electrical and electronic resonators for automobile technology; electronic control systems for gear, drive, differential, braking, antiskid, four-wheel steering, damping, self-leveling suspension and clutch systems; diagnostic equipment for motor vehicles; acoustic and optical signaling devices and signaling panels; devices for railway signaling technology and systems composed of such devices; electro-acoustical and conference systems and equipment for sound and video studios; sound and video transmission and production systems; appliances and devices for cable TV and systems made up of such equipment; photographic and film equipment, particularly video cameras; loudspeakers; loudspeaker boxes; microphones; headphones; electronic amplifiers; kitchen scales; personal scales; wafers for the manufacture of electronic components; vibrotactile communication equipment; current collectors; lambda probes; cyclotrons for the production and processing of positron-emitting radionuclides; spectacles with built-in hearing aid.

Electromedical, medical, surgical, dental and veterinary apparatus, devices and instruments; electromedical apparatus and devices as well as systems consisting thereof and parts thereof for diagnostic radiology and radiotherapy; radiology screens for medical purposes; radiographic devices based on imaging plate technology, equipment for angiography, cardiography, neuroradiology and subtraction angiography (DSA); medical devices for digital image acquisition for contrast medium examination with real-time imaging; instruments and equipment for endourological radiology, functional diagnostics and instrumental urology and for extracorporeal lithotripsy of urinary and biliary calculus; devices for treating bone, muscle and tendon disorders; medical apparatus and equipment for recording, processing, storage and reproduction of radiological information; apparatus and equipment for computer tomography, magnetic resonance imaging, ultrasonic diagnostics, nuclear medicine, radiotherapy, positron emission therapy (PET); medical equipment for long-term ECG recording and computer-aided ECG analysis, electroencephalographs; equipment for high-frequency heat treatment, electrosurgery, electrical diagnostics and therapy; measuring instruments for cardiac catheterization; equipment for patient monitoring and arrhythmia analysis; medical equipment for polygraphy and electrophysiological examinations; measuring devices for medical functional analyses; cardiac pacemakers and defibrillators; telemetry devices for medical purposes, respiratory equipment; lasers for medical purposes, catheters; linear accelerators for tumor radiotherapy; tumor localization devices; dosage planning and documentation devices for tumor radiotherapy; dental treatment equipment and luminaires for work areas; dental drills for preparation work; dental turbines; ultrasonic scaling equipment; periodontal diagnostic equipment; computer-aided medical devices for preparation of ceramic fillings; diagnostic and treatment devices for hearing-impaired persons; medical hearing aids; audiometers and hearing test cubicles; hearing and speaking devices and special equipment for hearing-impaired children; furniture for medical purposes such as patient positioning tables, examination and operating tables, cerumen filters for medical hearing aids; electrical devices for medical purposes such as massage devices and radiation devices.

Lamps and parts thereof; infrared lamps; mirror reflectors for lighting fixtures; heaters, infrared heaters, ribbed heating tubes, heating conductors (parts of heating systems), heating mats, electric underflow storage heating systems; heat pumps; nuclear reactors; steam generation, drying, cooling and ventilation equipment and their components and fittings; sintering, melting, brazing and combustion furnaces; refuse incineration equipment and systems consisting thereof, thermal waste treatment equipment, particularly consisting of low-temperature combustion drums, high-temperature combustion chambers, flue gas cleaning equipment and separators for waste carbonized at low temperature; filters for flue gas cleaning and for use in the gas/water cycle of power plants; environmental engineering equipment and systems such as water treatment, water processing and desalination systems; landfill gas extraction systems, particularly for gas utilization and cleaning; leachate treatment systems; systems for the production of cooling, service and ultra-high purity water; waste heat recovery systems; electrical household and kitchen devices such as stoves, cooking, baking, roasting, grilling, toasting, defrosting devices and hotplates, microwave ovens; electric extractor hood filters and extractor hoods; electric pressure cookers, ovens, cooking plates, immersion heaters; boilers, storage water heaters, continuous flow heaters; air humidifiers; upright and chest-type refrigerators and freezers; electric ice-cream makers; drying devices, particularly electric hand and tumble dryers; electric devices for personal hygiene and beauty care namely hair dryers, hot air blowers; heating pads and electric blankets, ventilators, fans; heating and air-conditioning equipment and devices for improving air quality (also for motor vehicles); regulating and safety accessories for steam, air, water piping and sanitary installations; tumble dryers; electrical and electronic devices and systems for water purification and water treatment; ice cream machines.

Installation, assembly, servicing, maintenance and repair of electrical, electronic, information technology, medical engineering, precision engineering, optical and mechanical engineering equipment and devices except for software; laying of land and marine tables; industrial furnace construction; construction services relating to civil engineering and consultancy therefor.

Research and development for third parties in the fields of electrical engineering, electronics, information technology, medical engineering, physics, chemistry and mechanical engineering as well as technical planning, technical consultancy, engineering services and technical supervision in these fields; construction and design planning and consultancy therefor; generation of data processing programs; leasing of computer systems and software; material testing.

Household linen and table linen of textile.