DIN EN 20140-2 (1993-05)被替代
Acoustics; measurement of sound insulation in buildings and of building elements; part 2: determination, verification and application of precision data (ISO 140-2:1991); German version EN 20140-2:1993
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
NBN EN 20140-2:1995 - Identical
I.S. EN 20140-2:1993 - Identical
NF EN 20140-2:1993 - Identical
UNI EN 20140-2:1994 - Identical
UNE EN 20140-2:1994 - Identical
ISO 140-2:1991 - Identical
SS EN 20140-2 Ed. 1 (1993) - Identical
SN EN 20140-2:1993 - Identical
ONORM EN 20140-2:1993 - Identical
BS EN 20140-2:1993 - Identical
