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29 dic 1969 anni - 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。

Descrizione:

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。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

1

0

688

Data:

29 dic 1969 anni

Adesso

~ 55 years ago

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