Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
Standard Insuued on: 2007-10 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | AQSIQ, SAC | Issued Date: | 2007-10-17 |
Implemented Date: | 2007-12-1 | Abolished Date: | |
Superseded Standard.: | GB/T 20257.4-2017 Cartographic symbols for national fundamental scale maps-Part 4: Specifications for cartographic symbols 1:250000 1 : 500000&1 : 1000 000 topographic maps |
Superseded Date: | 2018-5-1 |
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
Copyright: TransForyou Co., Ltd. 2008-2040 |