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4 gen 1987 anni - 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。

Descrizione:

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。

Aggiunto al nastro di tempo:

工业大事年表

2 set 2023

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688

Data:

4 gen 1987 anni

Adesso

~ 38 years ago

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