ISO 14903:2017现行
Refrigerating systems and heat pumps - Qualification of tightness of components and joints
出版：International Organization for Standardization
专家解读视频
Gives the qualification procedure for type approval of the tightness of hermetically sealed and closed components, joints and parts used in refrigerating systems and heat pumps as described in relevant parts of ISO 5149.
NS EN ISO 14903 : 2017 - Identical
EN ISO 14903 : 2017 - Identical
DIN EN ISO 14903 : 2016 - Identical
DIN EN ISO 14903 : 2017 - Identical
NEN EN ISO 14903 : 2017 - Identical
I.S. EN ISO 14903:2017 - Identical
SS-EN ISO 14903:2017 - Identical
BS EN ISO 14903 : 2017 - Identical
UNI EN ISO 14903 : 2018 - Identical
DS EN ISO 14903 : 2017 - Identical
PN EN ISO 14903 : 2017 - Identical
NF EN ISO 14903 : 2017 - Identical
DIN EN ISO 14903 E : 2017 - Identical
NF EN ISO 14903 : 2017 - Identical
EN ISO 14903 : 2017 - Identical
SN EN ISO 14903 : 2017 - Identical
NEN EN ISO 14903 : 2017 - Identical
UNE-EN ISO 14903:2018 - Identical
I.S. EN ISO 14903:2017 - Identical
UNI EN ISO 14903 : 2018 - Identical
BS EN ISO 14903 : 2017 - Identical
SS-EN ISO 14903:2017 - Identical
DS ISO 14903 : 2012 - Identical
DS EN ISO 14903 : 2017 - Identical
NEN ISO 14903 : 2012 - Identical
DIN EN ISO 14903 : 2016 - Identical
DIN EN ISO 14903 : 2017 - Identical
PN EN ISO 14903 : 2017 - Identical
ONORM EN ISO 14903 : 2017 - Identical
GOST ISO 14903 : 2016 - Identical
NS EN ISO 14903 : 2017 - Identical
