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经营范围
发明名称
Improvements in or relating to arc welding apparatus
摘要
申请公布号
GB718871(A)
申请公布日期
1954.11.24
申请号
GB19530000471
申请日期
1953.01.07
申请人
WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY
发明人
分类号
B23K9/10
主分类号
B23K9/10
代理机构
代理人
主权项
地址
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