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发明名称
Welding electrode
摘要
申请公布号
US2490023(A)
申请公布日期
1949.12.06
申请号
US19470730995
申请日期
1947.02.26
申请人
NATIONAL CYLINDER GAS COMPANY
发明人
BERNARD ARTHUR A.
分类号
B23K35/02;B23K35/04
主分类号
B23K35/02
代理机构
代理人
主权项
地址
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