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dec 29, 1969 - 1969年12月29日上海革新塑料厂试制成功中国第一盒录音磁带。

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1969年12月29日上海革新塑料厂试制成功中国第一盒录音磁带。

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工业大事年表

2 Sep 2023

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686

Date:

dec 29, 1969

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~ 55 years ago

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