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由中国船舶工业总公司第十二研究所研仿成功的“ZLALSi7Mg高强度铸造铝合金”的研仿及在部分SB211产品上的应用,在西安船舶设备工业公司的主持下,于1984
The “ZLALSi7Mg high-strength cast aluminum alloy” successfully researched and imitated by the twelfth Institute of China State Shipbuilding Corporation and its application in some SB211 products were presided over by Xi’an Shipbuilding Equipment Industry Corporation in 1984