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一种低Cr高Mn奥氏体钢焊丝的制备

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First Author:wanglai

Disigner of the Invention:王立刚,Mingliang Huang,hanshuangqi,wangfugang

Application Number:CN99117834.3

Authorization Date:1999-08-23

Authorization number:CN1285255

Pre One:一种低Cr高Mn奥氏体钢手工电弧焊焊条的制备
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