
EN 10216-3 SEAMLESS STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 3: NON-ALLOY AND ALLOY FINE GRAIN STEEL TUBES
出版:British Standards Institution

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EN 10216-3 SEAMLESS STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 3: NON-ALLOY AND ALLOY FINE GRAIN STEEL TUBES
出版:British Standards Institution
专家解读视频