I.S. EN 772-9:1999现行
Methods Of Test For Masonry Units - Determination Of Volume And Percentage Of Voids And Net Volume Of Calcium Silicate Masonry Units By Sand Filling
出版：National Standards Authority of Ireland
专家解读视频
Defines a procedure for determination of the volume and percentage of voids and net volume of calcium silicate masonry units which contain cells, frogs and holes.
UNE EN 772-9:1999 - Identical
NS EN 772-9:1998 - 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
SS EN 772-9:1999 - Identical
DIN EN 772-9 (2005-05) - Identical
BS EN 772-9:1998 - Identical
NEN EN 772-9:1998 - Identical
SN EN 772-9:1998 - Identical
