DIN EN 1931 (2001-03)现行
Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties; English version of DIN EN 1931
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
ONORM EN 1931:2000 - Identical
NBN EN 1931:2000 - Identical
UNI EN 1931:2002 - Identical
I.S. EN 1931:2000 - Identical
NS EN 1931 Ed. 1 (2000) - Identical
UNE EN 1931:2001 - Identical
SS EN 1931 Ed. 1 (2001) - Identical
NEN EN 1931:2000 - Identical
NF EN 1931:2000 - Identical
SN EN 1931:2001 - Identical
BS EN 1931:2000 - Identical
