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29 oct. 1978 - 1978年10月29日上海异型钢管厂试制成功不锈钢外螺纹驱动软管，填补国家空白。

Description:

1978年10月29日上海异型钢管厂试制成功不锈钢外螺纹驱动软管，填补国家空白。

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工业大事年表

ByLoo Qoo
2 sept. 2023
1
0
686

Date:

29 oct. 1978
Maintenaint
~ Il y a 46 ans
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