
BS EN ISO 17633. Welding consumables. Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels. Classification
出版:British Standards Institution

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BS EN ISO 17633. Welding consumables. Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels. Classification
出版:British Standards Institution
專家解讀視頻