摘要
National Technical Committee 54 on Foundry Standardization Administration of China （SAC/TC54） is a national standardization body on foundry. It is mainly responsible for preparing and revising national standardization on foundry and with responsibility for participating in international standardization activities of ISO/TC17/SCll on steel castings, ISO/TC25 on cast irons and pig irons, ISO/ TC18/SC2 on zinc alloys for castings,
National Technical Committee 54 on Foundry Standardization Administration of China (SAC/TC54) is a national standardization body on foundry.It is mainly
