铜合金和复合法兰|沙特标准|SASO-GSO-ISO 7005-3
Metallic Flanges–Part3:Copper Alloy And Composite Flanges
金属法兰第3部分:铜合金和复合法兰
Technical Regulation for Pressure Equipment
铜合金和复合法兰|沙特标准|SASO-GSO-ISO 7005-3
Metallic Flanges–Part3:Copper Alloy And Composite Flanges
金属法兰第3部分:铜合金和复合法兰
Technical Regulation for Pressure Equipment
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