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dec 29, 1962 - 1962年12月29日永鑫无缝钢管厂生产出薄壁管、厚壁管、不锈合金管、高光洁度管和方形、矩形、椭圆形等 322种不同规格、品种的异型管和一般无缝钢管，96.95%的产品达到部颁标准。

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1962年12月29日永鑫无缝钢管厂生产出薄壁管、厚壁管、不锈合金管、高光洁度管和方形、矩形、椭圆形等 322种不同规格、品种的异型管和一般无缝钢管，96.95%的产品达到部颁标准。

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工业大事年表

2 Sep 2023

1

0

731

Date:

dec 29, 1962

Now

~ 63 years ago

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