DIN EN 772-9 (2005-05)现行
Methods of test for masonry units Part 9: Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SS EN 772-9:1999 - Identical
UNE EN 772-9:1999 - Identical
NS EN 772-9:1998 - Identical
I.S. EN 772-9:1999 - Identical
NBN EN 772-9:1998 - Identical
UNI EN 772-9:2007 - Identical
NF EN 772-9:1999 - Identical
ONORM EN 772-9:2005 - Identical
BS EN 772-9:1998 - Identical
NEN EN 772-9:1998 - Identical
SN EN 772-9:1998 - Identical
