
Acoustics - Measurement Of Sound Insulation In Buildings And Of Building Elements - Part 9: Laboratory Measurement Of Room-to-room Airborne Sound Insulation Of A Suspended Ceiling With A Plenum Above It
出版:Norwegian Standards (Norges Standardiseringsforbund)

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基本信息
標準編號: NS ISO 140-9 Ed. 1 (1993)
發布時間:1993/11/1 0:00:00
標準類別:Standard
出版單位:Norwegian Standards (Norges Standardiseringsforbund)
標準頁數:0
標準簡介
1ED 1993 [01/11/1993]
替代本標準的新標準
等同采用的國際標準
ISO 140-9:1985 - Identical