
REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
出版:Netherlands Standards

專家解讀視頻
基本信息
標準編號: NEN ISO 14903 : 2012
標準類別:Standard
出版單位:Netherlands Standards
標準頁數:0
標準簡介
Defines the level of tightness of the component, as a whole, and its assembly as specified by the manufacturer.
替代本標準的新標準
等同采用的國際標準
ISO 14903 : 2017 - Identical