BS EN 772-2:1998现行
Methods of test for masonry units. Determination of percentage area of voids in masonry units (by paper indentation)
出版：British Standards Institution
专家解读视频
Defines a procedure for determination of the percentage area of voids in masonry units.
© British Standards Institution 2013
Amendment notes:
AMD 15684 published 12 January 2006
ONORM EN 772-2:2005 - Identical
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
DIN EN 772-2 (2005-05) - Identical
