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jan 1, 1963 - 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
Added to timeline:
【桥见武汉】武汉桥梁发展里程碑 Bridges of Wuhan CT(modern)
By
GUZI
15 Aug 2025
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392
Date:
jan 1, 1963
Now
~ 63 years ago
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