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may 9, 1989 - 电1989年5月29日上海光纤通信工程公司、邮电部上海通信设备厂与荷兰美国电话电报国。
Description:
1989年5月29日上海光纤通信工程公司、邮电部上海通信设备厂与荷兰美国电话电报国。
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工业大事年表
By
Loo Qoo
2 Sep 2023
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731
Date:
may 9, 1989
Now
~ 37 years ago
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