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发明名称
Arc welding system
摘要
申请公布号
US2057521(A)
申请公布日期
1936.10.13
申请号
US19290331497
申请日期
1929.01.10
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
HARDING WILLIAM R.
分类号
B23K9/073
主分类号
B23K9/073
代理机构
代理人
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地址
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