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发明名称
Means and method for improving the starting of an electric arc
摘要
申请公布号
US2797352(A)
申请公布日期
1957.06.25
申请号
US19540445997
申请日期
1954.07.27
申请人
SPENCER PAYNE HAROLD
发明人
PAYNE HAROLD SPENCER
分类号
B23K9/067
主分类号
B23K9/067
代理机构
代理人
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地址
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