 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| International Standard Category: Seismic and vibration protection |
GB 17740-1999 General ruler for earthquake magnitude
地震震级的规定 ;
| Category No.: | 91.120.25 | Valid Status: | superseded |
| Issued Organization: | State Quality and Technology Supervision Bureau | Issued Date: | 1999-04-02 |
| Implemented Date: | 1999-1-1 | Abolished Date: | |
| Superseded Standard.: | GB 17740-2017 General ruler for earthquake magnitude |
Superseded Date: | 2017-12-1 |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |