HUMBOLDT

Class [11]
Environmental Control Instrument Products lighting heating cooling cooking

Mechanical installations for the production of metals; industrial chemical installations; furnaces for the manufacture of cement and for burning lime and plaster of Paris; and parts included in Class 11 of all the aforesaid goods; calcining kilns; apparatus for heating fine granular materials; apparatus for refining metals; mechanical roasting furnaces and kilns; apparatus for cooling dried brown coal; installations for use in concentrating and separating solutions; ventilators and fans; apparatus for purifying and washing minerals