Catalytic converters; exhaust silencers for engines; sound absorbers in the nature of silencers being parts of machines; catalytic converters for motors and engines; catalytic converter units for vehicle exhausts; separators for liquid solutions, namely, separating machines for chemical processing; steam condensers being parts of machines; absorbing machines for chemical processing

Engineering apparatus for heating, and refrigerating [vacuum] technology, namely, heat pump source systems for block-type thermal power plants composed primarily of [heat pumps, heat pipes to cool heat producing components, regulating accessories for gas pipes and lines,] heat exchangers not being parts of machines, steam generators[, heat blowers; block-type thermal power plants]; cooling units for industrial purposes, namely, absorption refrigerating plants[; absorption heat pumps; drying a...