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发明名称
Electrode holder
摘要
申请公布号
US2059438(A)
申请公布日期
1936.11.03
申请号
US19350040047
申请日期
1935.09.11
申请人
THE CHURCHWARD ENGINEERING COMPANY, INC.
发明人
CHURCHWARD JACK
分类号
B23K9/28
主分类号
B23K9/28
代理机构
代理人
主权项
地址
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