I.S. EN 12390-7:2009现行
Testing Hardened Concrete Part 7: Density of Hardened Concrete
出版：National Standards Authority of Ireland
专家解读视频
Describes a method for determining the density of hardened concrete. Also applies to lightweight, normal-weight and heavy-weight concrete.
NBN EN 12390-7:2009 - Identical
UNE EN 12390-7:2009 - Identical
NF EN 12390-7:2012 - Identical
NF EN 12390-7:2001 - Identical
NEN EN 12390-7:2009 - Identical
SS EN 12390-7 Ed. 2 (2009) - Identical
