I.S. EN 772-2:1999现行
Methods Of Test For Masonry Units - Determination Of Percentage Area Of Voids In Aggregate Concrete Masonry Units (by Paper Indentation)
出版：National Standards Authority of Ireland
专家解读视频
Defines a procedure for determination of the percentage area of voids in aggregate concrete masonry units.
SS EN 772-2:1999 - Identical
SN EN 772-2:1998 - Identical
NEN EN 772-2:1998 - Identical
BS EN 772-2:1998 - Identical
DIN EN 772-2 (2005-05) - Identical
ONORM EN 772-2:2005 - Identical
NF EN 772-2:1999 - Identical
UNI EN 772-2:2007 - Identical
NBN EN 772-2:1998 - Identical
NS EN 772-2:1998 - Identical
UNE EN 772-2:1999 - Identical
