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oct 6, 1975 - 1975年10月6日上海服装行业革新成功超声波无线锁眼机、撬边机、钉扣机，从而摆脱了手工操作。

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1975年10月6日上海服装行业革新成功超声波无线锁眼机、撬边机、钉扣机，从而摆脱了手工操作。

Added to timeline:

工业大事年表

2 Sep 2023

1

0

731

Date:

oct 6, 1975

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~ 50 years ago

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