
EN 1597 WELDING CONSUMABLES - TESTING FOR CLASSIFICATION - PART 1: TEST ASSEMBLY FOR ALL WELD METAL TEST SPECIMENS IN STEEL, NICKEL AND NICKEL ALLOYS
出版:British Standards Institution

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EN 1597 WELDING CONSUMABLES - TESTING FOR CLASSIFICATION - PART 1: TEST ASSEMBLY FOR ALL WELD METAL TEST SPECIMENS IN STEEL, NICKEL AND NICKEL ALLOYS
出版:British Standards Institution
专家解读视频