SNV ISO 31-7:1992现行
Quantities And Units - Part 7: Acoustics
出版：Swiss Standards
专家解读视频
Gives name, symbol and definition for 39 quantities and units of acoustics. Where appropriate, conversion factors are also given.
DIN ISO 31-7 (1994-05) - Identical
ISO 31-7:1992 - Identical
DIN 1304-1 (1994-03) - Identical
DIN 1304-4 (1986-09) - Identical
DIN 1320 (1997-06) - Identical
BS 5775-7:1993 - Identical
NFX 02 307:1992 - Identical
BS 5775-7(1993) : 1993 - Identical
BS 5775-7(1993) : 1993 - Identical
NFX 02 307 : 1992 - Identical
