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9 magg 1989 anni - 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。

Descrizione:

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

2 set 2023

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686

Data:

9 magg 1989 anni

Adesso

~ 36 years ago

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