Metal tanks; metal pipes; air ducts (metal); metal valves; metal valve components and pertinent accessories included in this class; metal building materials; fixing devices; hooks; clamps; mainstays; hooks for pipes; products and accessories for metal pipes; accessories for pipes, included in this class
Metal GoodsValves (parts of machines); installations to remove dust (cleaning apparatus); filters for cleaning the cooling air of engines; filters (parts of machines or engines); drying machines; electric machines and apparatus for cleaning air
MachineryMeasuring, checking and control apparatus, electronic apparatus; devices for machine remote control; accessories, included in this class, for the activation of electrical valves, including devices for industrial network interfaces; positioning devices; monitors for indicating valves position; devices for microprocessors remote control; electrical installations for the remote control of industrial operations, electricity conduits, electro-dynamic apparatus for the remote control of signals, electro magnetic switches for valves; apparatus for measuring pressure; material testing instruments and machines
Electrical and Scientific ApparatusValves for tank level control; driers; ventilation installations for vehicles; filters (parts of household or industrial installations)
Environmental Control Apparatus