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21 jun 1952 ano - 1952年6月21日上海纺织保全工人初步总结出细纱措车工作法，市推广委员会予以总结和鼓励。

Descrição:

1952年6月21日上海纺织保全工人初步总结出细纱措车工作法，市推广委员会予以总结和鼓励。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

21 jun 1952 ano

Agora

~ 73 years ago

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