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发明名称
Arc welding machine
摘要
申请公布号
US2147461(A)
申请公布日期
1939.02.14
申请号
US19370174191
申请日期
1937.11.12
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
SCHROEDER GERHARD
分类号
B23K9/028
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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