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may 8, 1980 - 1980年5月8日上海第二冶炼厂硅单晶车间生产出国内最大最重的直径 157 毫米、重377公斤的硅多晶锭。
Description:
1980年5月8日上海第二冶炼厂硅单晶车间生产出国内最大最重的直径 157 毫米、重377公斤的硅多晶锭。
Added to timeline:
工业大事年表
By
Loo Qoo
2 Sep 2023
1
0
731
Date:
may 8, 1980
Now
~ 46 years ago
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