[ pneumatic conveyors; ] compressed air equipment, namely, compressed air pumps; [ hydraulic drives for machines and motors; ] hydraulic machine couplings; couplings for machines being connectors, except for land vehicles; [ machines for industrial purposes, namely, industrial machine presses; ] hydraulic fittings as machine parts for engines and motors; [ metal processing machines, namely, metal working machines; industrial robots being machines; pipe conveyor units in the nature of p...