NEN EN ISO 140-12:2000现行
Acoustics - Measurement Of Sound Insulation In Buildings And Of Building Elements - Part 12: Laboratory Measurement Of Room-To-Room Airborne And Impact Sound Insulation Of An Access Floor
出版：Nederlands Normalisatie Instituut
专家解读视频
2000 [01/02/2000]DRAFT 1996 [01/06/1996]
ISO 140-12:2000 - Identical
SS EN ISO 140-12 Ed. 1 (2000) - Identical
UNE EN ISO 140-12:2000 - Identical
NS EN ISO 140-12 Ed. 1 (2000) - Identical
I.S. EN ISO 140-12:2000 - Identical
UNI EN ISO 140-12:2001 - Identical
NBN EN ISO 140-12 Ed. 1 (2000) - Identical
NF EN ISO 140-12:2000 - Identical
ONORM EN ISO 140-12:2000 - Identical
DIN EN ISO 140-12 (2000-03) - Identical
BS EN ISO 140-12:2000 - Identical
SN EN ISO 140-12:2000 - Identical
