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经营范围
发明名称
Multiple spot welder
摘要
申请公布号
US2293535(A)
申请公布日期
1942.08.18
申请号
US19410384030
申请日期
1941.03.19
申请人
GENERAL MOTORS CORPORATION
发明人
DOLL FRANK A.;KURZ CHARLES
分类号
B23K11/31
主分类号
B23K11/31
代理机构
代理人
主权项
地址
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