Pressure equipment for refrigerating systems and heat pumps - Part 1: vessels - General requirements.
冷冻系统和热力泵压力设备。第1部分：容器。一般要求。
Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors.
制冷设备和热泵。安全和环境要求。容积式制冷剂压缩机。
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: operation, maintenance, repair and recovery.
制冷设备和热泵。安全和环境要求。第4部分：操作、维护、修理和恢复。
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements. definitions. classification and selection criteria.
制冷系统和加热泵规范。安全性和环境要求：。基本要求、定义、分类和选择规范。
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements. definitions. classification and selection criteria.
制冷系统和加热泵规范。安全性和环境要求：。基本要求、定义、分类和选择规范。
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