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31 mar 1962 ano - 1962年3月31日上海市各工业部门已经制订或修订 1500多种产品技术标准。

Descrição:

1962年3月31日上海市各工业部门已经制订或修订 1500多种产品技术标准。

Adicionado na linha do tempo:

工业大事年表

2 set 2023

1

0

686

Data:

31 mar 1962 ano

Agora

~ 63 years ago

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