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发明名称
Welding horn
摘要
申请公布号
US2009476(A)
申请公布日期
1935.07.30
申请号
US19330702514
申请日期
1933.12.15
申请人
FRETZ-MOON TUBE COMPANY
发明人
CHURCH GEORGE T.;GREEN MARTIN P.
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
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地址
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