Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
International Standard Category: Acoustics in building. Sound insulation |
Category No.: | 91.120.20 | Valid Status: | superseded |
Issued Organization: | CBTS | Issued Date: | 1999-3-8 |
Implemented Date: | 1999-9-1 | Abolished Date: | |
Superseded Standard.: | GB/T 17697-2014 Acoustics―Determination of sound power radiated into a duct by fans and other air-moving devices―In-duct method |
Superseded Date: | 2015-2-1 |
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
Copyright: Foryou Tech Co., Ltd. 2008-2020 |