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经营范围
发明名称
The flux support device for submerged arc welding in a horizontal direction
摘要
申请公布号
KR101199092(B1)
申请公布日期
2012.11.08
申请号
KR20070094465
申请日期
2007.09.18
申请人
发明人
分类号
B23K9/18;B23K9/035
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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