DIN EN 991 (1995-09)现行
Determination of the dimensions of prefabricated reinforced components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
UNE EN 991:1996 - Identical
NS EN 991 Ed. 1 (1995) - Identical
UNI EN 991:1997 - Identical
SS EN 991 Ed. 1 (1995) - Identical
NF EN 991:1995 - Identical
I.S. EN 991:1995 - Identical
NBN EN 991:1995 - Identical
ONORM EN 991:1995 - Identical
BS EN 991:1996 - Identical
NEN EN 991:1995 - Identical
SN EN 991:1995 - Identical
