NEN EN 622-4:1997被替代
Fibreboards - Specifications - Part 4: Requirements For Softboards
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines requirements for softboards as specified in EN 316, which have a density in excess of 230 kg/m. Concerned with product properties but are not characteristic values for use in design calculation.
Together with NEN EN 622-1, NEN EN 622-2 and NEN EN 622-3 partially supersedes NEN 2122. (06/2003) Draft issued in July 2008. (07/2008)
ONORM EN 622-4:1997 - Identical
DIN EN 622-4 (1997-08) - Identical
BS EN 622-4:1997 - Identical
SN EN 622-4:1997 - Identical
UNE EN 622-4:1997 - Identical
UNI EN 622-4:1998 - Identical
I.S. EN 622-4:1998 - Identical
SS EN 622-4 Ed. 1 (1997) - Identical
NS EN 622-4 Ed. 1 (1997) - Identical
NF EN 622-4:1997 - Identical
NBN EN 622-4:1997 - Identical
