Compressors as parts of machines, motors and engines; die holders for use with machines; gas compressors; air compressors; compressors for machines; compressed air pumps; compressors for air conditioners; compressors for recovering and recycling refrigerant gases; automatic inlet control valves for reciprocating air compressors; compressors for dehumidifying machines; air condensers; machine coupling and transmission components, except for land vehicles, and parts therefor; air blowing machin...