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经营范围
发明名称
Welding apparatus
摘要
申请公布号
US2079916(A)
申请公布日期
1937.05.11
申请号
US19340712917
申请日期
1934.02.26
申请人
DIRECT CURRENT WELDING COMPANY
发明人
MIRFIELD GEORGE E.
分类号
B23K11/06
主分类号
B23K11/06
代理机构
代理人
主权项
地址
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