DR 99408 CP被替代
Acoustics - Measurements of sound insulation in buildings and of building elements - Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
出版：Standards Australia
專家解讀視頻
基本信息
標準編號： DR 99408 CP
標準類別：Draft
出版單位：Standards Australia
標準頁數(shù)：0
標準簡介
Proposes the adoption of ISO 140-9:1985 which provides a laboratory method of measuring the airborne sound insulation of a suspended ceiling with a plenum of defined height mounted above an acoustical barrier which separates two rooms of a specified test facility. Proposed as a Joint Australian/New Zealand Standard. Copies of ISO 140-9:1985 may be purchased from or viewed at any Standards Australia office or Standards New Zealand.
替代本標準的新標準
等同采用的國際標準
ISO 140-9:1985 - Identical
