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feb 28, 1939 - 英法德合作成功发射“探索者”号人造卫星

Description:

之后盟军国家陆续发射了137颗间谍卫星

Added to timeline:

(未完成)RA1前传任务时间线：欧洲部分

ByDuckWang
17 Jun 2022
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536

Date:

feb 28, 1939
Now
~ 86 years ago
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