 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| International Standard Category: Multimedia systems and teleconferencing equipment |
GB/T 17561-1998 Instruments for the measurement of sound intensity--Measurement with pairs of pressure sensing microphones
声强测量仪用声压传声器对测量 ;
| Category No.: | 33.160.60 | Valid Status: | valid |
| Issued Organization: | State Quality and Technology Supervision Bureau | Issued Date: | 1998-01-01 |
| Implemented Date: | 1999-7-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |