
Valves for natural gas transportation in pipelines. Performance requirements and tests
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
NF EN 14141:2004 - Identical
I.S. EN 14141:2004 - Identical
NBN EN 14141:2004 - Identical
DIN EN 14141 (2004-03) - Identical
SN EN 14141:2004 - Identical
SS EN 14141 Ed. 1 (2003) - Identical
ONORM EN 14141:2004 - Identical
NEN EN 14141:2004 - Identical
UNE EN 14141:2004 - Identical
NS EN 14141 Ed. 1 (2004) - Identical
UNI EN 14141:2004 - Identical