DIN EN ISO 140-4 (1998-12)被替代
Measurement of sound insulation in buildings and of building elements Part 4: Field measurements of airborne sound insulation between rooms (ISO 140-4:1998)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SN EN ISO 140-4:1998 - Identical
NEN EN ISO 140-4:1998 - Identical
NBN EN ISO 140-4:1998 - Identical
NF EN ISO 140-4:1998 - Identical
ONORM EN ISO 140-4:1999 - Identical
BS EN ISO 140-4:1998 - Identical
SS EN ISO 140-4 Ed. 1 (1999) - Identical
UNE EN ISO 140-4:1999 - Identical
NS EN ISO 140-4 Ed. 1 (1999) - Identical
UNI EN ISO 140-4:2000 - Identical
I.S. EN ISO 140-4:1999 - Identical
ISO 140-4:1998 - Identical
