UNE EN 772-20:2001现行
Methods Of Test For Masonry Units - Part 20: Determination Of Flatness Of Faces Of Masonry Units
出版：Asociacion Espanola de Normalizacion
专家解读视频
Defines a procedure to determine the flatness of faces of aggregate concrete, manufactured stone and natural stone masonry units.
NEN EN 772-20:2000 - Identical
SS EN 772-20:2000 - Identical
NS EN 772-20:2000 - Identical
I.S. EN 772-20:2000 - Identical
UNI EN 772-20:2005 - Identical
NBN EN 772-20:2000 - Identical
NF EN 772-20:2001 - Identical
ONORM EN 772-20:2005 - Identical
DIN EN 772-20 (2005-05) - Identical
BS EN 772-20:2000 - Identical
SN EN 772-20:2000 - Identical
UNE 41167:1989 - Identical
