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经营范围
发明名称
Gas shielded arc welding apparatus
摘要
申请公布号
US3116406(A)
申请公布日期
1963.12.31
申请号
US19610125832
申请日期
1961.07.21
申请人
BARNES LAWRENCE T
发明人
BARNES LAWRENCE T.
分类号
B23K9/29
主分类号
B23K9/29
代理机构
代理人
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地址
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