
STEEL TUBES FOR PRECISION APPLICATIONS - TECHNICAL DELIVERY CONDITIONS - PART 1: SEAMLESS COLD DRAWN TUBES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
STEEL TUBES FOR PRECISION APPLICATIONS - TECHNICAL DELIVERY CONDITIONS - PART 1: SEAMLESS COLD DRAWN TUBES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻