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。

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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。

youdao