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发明名称
Electric welding machine
摘要
申请公布号
US1900834(A)
申请公布日期
1933.03.07
申请号
US19290357068
申请日期
1929.04.22
申请人
MCBERTY FRED P
发明人
MCBERTY FRED P.
分类号
B23K11/04
主分类号
B23K11/04
代理机构
代理人
主权项
地址
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