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| Standard Insuued on: 1988-06 |
GB/T 985-1988 Basic Forms and Sizes of Weld Grooves for Gas Welding, Manual Welding and Gas- shielded Welding
气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | State Bureau of Standards | Issued Date: | 1988-06-25 |
| Implemented Date: | 1989-3-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 985.1-2008 Recommended Joint Preparation for Gas Welding, Manual Metal Arc |
Superseded Date: | 2008-9-1 |
GB/T 9469.5-1988
GB/T 9469.1-1988
GB/T 9469.8-1988
GB/T 9559-1988
GB/T 9417-1988
GB/T 9469.2-1988
GB/T 9315-1988
GB/T 9533-1988
GB/T 9461-2003
GB/T 9350-1988
GB/T 9359-2001
GB/T 9235-1988
GB/T 9320-1988
JJG 584-1989
GB/T 840-1988
GB/T 8-1988
GB/T 9461-1988
GB/T 837-1988
GB/T 835-1988
GB/T 838-1988
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