Pumps (parts of machines, engines and motors); vacuum pumps [machines]; oil-sealed vacuum pumps; compressed air machines; compressors; air compressors; reciprocating compressors; air blowing machines; air compression machines; oil-injected compressed air machines; regulators (parts of machines); cylinder heads for engines; valves [parts of machines]; vacuum control valves [parts of machines]; pressure pumps; compressors for gases; hydraulic pumps; clack valves [parts of machines]; hydraulic valves; actuators for valves [parts of machines]; pneumatically operable valves; hydraulic valves [parts of machines]; valves for pumps; couplings and transmission parts for machines (except for agricultural machines); pressure valves [parts of machines]; air pumps; pistons for compressors; engines for compressors; compressors as parts of machines, motors and engines; compressors [machines]; compressed air engines; suction valves for air compressors; compressed air switch valves; compressing fans; industrial machine presses; electric compressors; compressors for machines; air condensers [compressors]; fans for motors and engines; pressure regulators [parts of machines]; regulators [parts of machines]; dosing valves [parts of machines]; pumps and compressors as parts of machines, motors and engines; valves [parts of pumps].