
Methods Of Test For Masonry Units - Part 2: Determination Of Percentage Area Of Voids In Aggregate Concrete Masonry Units (By Paper Indentation)
出版:Nederlands Normalisatie Instituut

专家解读视频
1998 AMD 1 2005 [01/07/2005]1998 [01/09/1998]
Partially supersedes NEN 7027. Supersedes NEN 2489. (08/2009)
NS EN 772-2:1998 - Identical
I.S. EN 772-2:1999 - Identical
NBN EN 772-2:1998 - Identical
UNI EN 772-2:2007 - Identical
NF EN 772-2:1999 - Identical
ONORM EN 772-2:2005 - Identical
SN EN 772-2:1998 - Identical
DIN EN 772-2 (2005-05) - Identical
BS EN 772-2:1998 - Identical
UNE EN 772-2:1999 - Identical
SS EN 772-2:1999 - Identical