具有高抗拉强度的可焊接细晶粒钢|沙特标准|EN 10222-4
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具有高抗拉强度的可焊接细晶粒钢|沙特标准|EN 10222-4
Steel Forgings For Pressure Purposes-Part4:Weldable Fine Grain Steels With High Proof Strength
压力用钢锻件.第4部分:具有高抗拉强度的可焊接细晶粒钢
Technical Regulation for Pressure Equipment
Steel Forgings For Pressure Purposes-Part4:Weldable Fine Grain Steels With High Proof Strength
压力用钢锻件.第4部分:具有高抗拉强度的可焊接细晶粒钢
Technical Regulation for Pressure Equipment
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