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1978年是年上海制成中国第一套组合式高传真立体声的特级半导体收音机。 (1 janv. 1978 – 1 janv. 0)

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1978年是年上海制成中国第一套组合式高传真立体声的特级半导体收音机。

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工业大事年表

2 sept. 2023

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Date:

1 janv. 1978

1 janv. 0

~ 0 days

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