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International Standard Category: Welding processes

QJ 1290-1987    Structural Steel and Stainless Steel Resistance Spot Welding and Seam Welding Process
结构钢、不锈钢电阻点、缝焊工艺 ;
Category No.:25.160.10 Valid Status:valid
Issued Organization: Issued Date:1987-08-10
Implemented Date:1988-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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