Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
International Standard Category: Acoustic measurements and noise abatement in general |
Category No.: | 17.140.01 | Valid Status: | superseded |
Issued Organization: | State Technical Supervision Bureau | Issued Date: | 1995-07-03 |
Implemented Date: | 1996-2-1 | Abolished Date: | 2018-05-01 |
Superseded Standard.: | GB/T 12060.16-2017 Sound system equipment-Part 16:Objective rating of speech intelligibility by speech transmission index |
Superseded Date: | 2018-5-1 |
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
Copyright: Foryou Tech Co., Ltd. 2008-2020 |