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发明名称
Electric welding apparatus
摘要
申请公布号
US1863933(A)
申请公布日期
1932.06.21
申请号
US19270239665
申请日期
1927.12.13
申请人
PANCOAST DONALD F
发明人
PANCOAST DONALD F.
分类号
B23K11/087
主分类号
B23K11/087
代理机构
代理人
主权项
地址
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