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| International Standard Category: Flanges, couplings and joints |
SY/T 0510-1998 Stell butt-welding pipe fitting
钢制对焊管件 ;
| Category No.: | 23.040.60 | Valid Status: | superseded |
| Issued Organization: | State Administration of Petroleum and Chemical Industry | Issued Date: | 1999-03-03 |
| Implemented Date: | 1999-10-1 | Abolished Date: | |
| Superseded Standard.: | SY/T 0510-2010 Code for steel butt-welding fittings |
Superseded Date: | 2010-12-15 |
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