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经营范围
发明名称
Direct current arc welding
摘要
申请公布号
US2697160(A)
申请公布日期
1954.12.14
申请号
US19510250600
申请日期
1951.10.10
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
WILLIAMS CLIFTON S.
分类号
B23K9/09
主分类号
B23K9/09
代理机构
代理人
主权项
地址
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