Heat pumps; ready to use heat pump units with internal combustion engine driven compressors; rating and performance testing conditions
热泵；配备内燃机驱动压缩机的现成热泵机组；额定值和性能测试条件

1989-05-01

Heat pumps; ready to use heat pump units with internal combustion engine driven compressors; terminology, requirements, testing, marking
热泵；配备内燃机驱动压缩机的现成热泵机组；术语、要求、测试、标记

1989-05-01

Heat pumps; ready to use heat pump units with internal combustion engine driven compressors, requirements on the gas equipment, testing
热泵；带内燃机驱动压缩机的现成热泵机组 对燃气设备的要求 测试

1989-05-01