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| Chinese National Standard Category: Steel and iron products in general |
| English Title: | Notations for designations of iron and steel |
| Chinese Title: | 钢铁产品牌号表示方法 |
| Standard No.: | GB/T 221-2000 |
| Category No.: | H40 |
| Issued by: | CSBTS |
| Issued on: | 2000-04-01 |
| Implemented on: | 2000-1-1 |
| Status: | superseded |
| Superseded by: | GB/T 221-2008 Notations for designation of iron and steel |
| Superseded on: | 2009-4-1 |
| Abolished on: | 2009-04-01 |
| Superseding: | GB/T 221-1979 Notations for markings of iron and steel products |
| Word Count: | 4000 words |
| Similar Standards: |
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