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4 jan 1987 ano - 1987年1月4日中国第一条完整的导电塑料电位器引进生产线，在上海新跃仪表厂投产。

Descrição:

1987年1月4日中国第一条完整的导电塑料电位器引进生产线，在上海新跃仪表厂投产。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

4 jan 1987 ano

Agora

~ 38 years ago

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