
Refrigerating systems and heat pumps - Safety and environmental requirements Part 1: Definitions, classification and selection criteria - Amendment 1: Correction of QLAV, QLMV
出版:International Organization for Standardization

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Refrigerating systems and heat pumps - Safety and environmental requirements Part 1: Definitions, classification and selection criteria - Amendment 1: Correction of QLAV, QLMV
出版:International Organization for Standardization
专家解读视频