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nov 16, 1963 - 1963年11 月16日上海市倍高钟厂和中华电钟厂已制成一座由2只母钟和600 只子钟组成的新颖大型钟站,一座大楼钟和一座顺序自动控制钟,最大钟面直径 5 米,时钟重100多公斤。
Description:
1963年11 月16日上海市倍高钟厂和中华电钟厂已制成一座由2只母钟和600 只子钟组成的新颖大型钟站,一座大楼钟和一座顺序自动控制钟,最大钟面直径 5 米,时钟重100多公斤。
Added to timeline:
工业大事年表
By
Loo Qoo
2 Sep 2023
1
0
731
Date:
nov 16, 1963
Now
~ 62 years ago
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