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经营范围
发明名称
Soldering torch
摘要
申请公布号
US1771334(A)
申请公布日期
1930.07.22
申请号
US19290349494
申请日期
1929.03.23
申请人
JUBB GEORGE E;LIBBY ELMER B
发明人
JUBB GEORGE E.;LIBBY ELMER B.
分类号
B23K3/03
主分类号
B23K3/03
代理机构
代理人
主权项
地址
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