
Closed Expansion Vessels With Built In Diaphragm For Installation In Water
出版:Nederlands Normalisatie Instituut

专家解读视频
2007 [01/09/2007]DRAFT 2007 [01/02/2007]DRAFT 2000 [01/03/2000]
DIN EN 13831 (2007-12) - Identical
BS EN 13831:2007 - Identical
NBN EN 13831:2007 - Identical
I.S. EN 13831:2007 - Identical
NF EN 13831:2007 - Identical
NS EN 13831 Ed. 1 (2007) - Identical
SS EN 13831 Ed. 1 (2007) - Identical
ONORM EN 13831:2007 - Identical
UNI EN 13831:2008 - Identical