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| International Standard Category: Iron and steel pipes |
GB/T 12770-1991 Welded stainless steel tubes for machine structure
机械结构用不锈钢焊接钢管 ;
| Category No.: | 23.040.10 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1991-03-22 | |
| Implemented Date: | 1991-12-1 | Abolished Date: | 2003-02-01 |
| Superseded Standard.: | GB/T 12770-2002 Welded Stainless Steel Tubes for Machine Structures |
Superseded Date: | 2003-2-1 |
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