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经营范围
发明名称
Arc welding apparatus
摘要
申请公布号
US1965331(A)
申请公布日期
1934.07.03
申请号
US19330678645
申请日期
1933.07.01
申请人
GENERAL ELECTRIC COMPANY
发明人
CHAPMAN VERNI J.
分类号
B23K37/02
主分类号
B23K37/02
代理机构
代理人
主权项
地址
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