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发明名称
Contact-welding machine
摘要
申请公布号
US1794760(A)
申请公布日期
1931.03.03
申请号
US19280262087
申请日期
1928.03.16
申请人
RESERVE HOLDING COMPANY
发明人
DOYLE FREDERICK W.
分类号
H01H11/04
主分类号
H01H11/04
代理机构
代理人
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地址
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