Air compressors; air-cooled condensers; electric pumps; axial flow pumps; diffusion pumps; reciprocating vacuum pumps; circulating pumps; centrifugal pumps; rotary pumps; vertical turbine pumps; pneumatic pumps; compressors for air conditioners; air condensers; compressors for dehumidifying machines; compressors for refrigerators; pumps as parts of machines, motors and engines; gas compressors; axial flow compressors; reciprocating compressors; rotary compressors; centrifugal compressors; com...