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1 jan 1963 ano - 1963 苏联断供南京长江大桥钢材，鞍钢实现16锰低合金桥梁钢量产

Adicionado na linha do tempo:

【桥见武汉】武汉桥梁发展里程碑 Bridges of Wuhan CT(modern)

1 meses atrás

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288

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1 jan 1963 ano

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~ 62 years ago

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