74199504
Aug 30, 1991
Dec 29, 1992
metal containers and conduits for the storage or transportation of liquid and gaseous products; namely, tanks, pipes, tubes, silos and columns
Metal Goodsmachines and machine parts for environmental control plants and industrial production plants; namely, extractors, rotary-disc extractors, conveyors, screw conveyors, vacuum generating machines, mixers, compressors, separators, and plasmatrons; biomass manufacturing machines and machine parts; namely, fermentation machines, cyclones, ion exchangers, electrolysis cells, ozone generators, pumps, valves, and filters as parts of machines
Machinerymeasuring instruments for environmental control plants; namely, manometers, air, water or soil pollution detecting and analyzing instruments, electrical remote control units for environmental control plants and industrial production plants
Electrical and Scientific Apparatussoil and water purification units; petroleum refining units; heat exchangers, burners, combustion chambers, furnaces, refrigerators, coolers and dryers, sprinklers, vapour dryers, fluidized bed dryers, steam generators; solar engineering devices; namely, sole collectors; air purification units; namely, exhaust air purificators and desulphuricators, soil analyzers, plasmatrons, coal gasifiers and hydrogenators, alcohol distillators, air conditioners, ion exchangers, electolysis cells, ozone generators, evaporators and filters, and ultraviolet radiators, all for industrial use
Environmental Control Apparatusengineering and design consulting services in the fields of environmental control plants and industrial production plants
Computer and Scientific