![]() |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Chinese National Standard Category: Basic standards and general methods |
| English Title: | Graphical symbols for electrical diagrams; General information |
| Chinese Title: | 电气图用图形符号 总则 |
| Standard No.: | GB/T 4728.1-1985 |
| Category No.: | K04 |
| Issued by: | |
| Issued on: | 1985-01-01 |
| Implemented on: | 1986-5-1 |
| Status: | superseded |
| Superseded by: | GB/T 4728.1-2005 Graphical Symbols for Electrical Diagrams - Part 1: General Information |
| Superseded on: | 2005-8-1 |
| Abolished on: | 2005-08-01 |
| Superseding: | GB 312-1964 |
| Word Count: | 6500 words |
| Similar Standards: |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Beijing COC Tech Co., Ltd. 2008-2020 |