NEN ISO 14903 : 2012被替代
REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
出版：Netherlands Standards
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基本信息
标准编号： NEN ISO 14903 : 2012
标准类别：Standard
出版单位：Netherlands Standards
标准页数：0
标准简介
Defines the level of tightness of the component, as a whole, and its assembly as specified by the manufacturer.
替代本标准的新标准
等同采用的国际标准
ISO 14903 : 2017 - Identical
