
COLD-ROLLED NARROW STEEL STRIP FOR HEAT-TREATMENT - TECHNICAL DELIVERY CONDITIONS - PART 4: SPRING STEELS AND OTHER APPLICATIONS
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
COLD-ROLLED NARROW STEEL STRIP FOR HEAT-TREATMENT - TECHNICAL DELIVERY CONDITIONS - PART 4: SPRING STEELS AND OTHER APPLICATIONS
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻