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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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29 mar 1984 ano - 1984年3月29日根据治金工业部“六五”攻关课题,上海第三钢铁厂75/90 公斤高强度精轧螺纹钢筋进行生产性试验获得成功。1985年获国家科学技术委员会“六五”利技攻关重要贡献奖。
Descrição:
1984年3月29日根据治金工业部“六五”攻关课题,上海第三钢铁厂75/90 公斤高强度精轧螺纹钢筋进行生产性试验获得成功。1985年获国家科学技术委员会“六五”利技攻关重要贡献奖。
Adicionado na linha do tempo:
工业大事年表
By
Loo Qoo
2 set 2023
1
0
686
Data:
29 mar 1984 ano
Agora
~ 41 years ago
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