ONORM EN 772-2:2005现行
Methods Of Test For Masonry Units - Part 2: Determination Of Percentage Area Of Voids In Masonry Units (by Paper Indentation)
出版：Osterreichisches Normungsinstitut
专家解读视频
Defines a procedure for determination of the percentage area of voids in masonry units.
NF EN 772-2:1999 - Identical
UNI EN 772-2:2007 - Identical
NBN EN 772-2:1998 - Identical
I.S. EN 772-2:1999 - Identical
NS EN 772-2:1998 - Identical
UNE EN 772-2:1999 - Identical
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
