
SEAMLESS STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 1: NON-ALLOY STEEL TUBES WITH SPECIFIED ROOM TEMPERATURE PROPERTIES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
SEAMLESS STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 1: NON-ALLOY STEEL TUBES WITH SPECIFIED ROOM TEMPERATURE PROPERTIES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻