
EN 12560-2 FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR CLASS-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES
出版:British Standards Institution

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EN 12560-2 FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR CLASS-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES
出版:British Standards Institution
专家解读视频