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经营范围
发明名称
Improvements in and relating to arc welding apparatus
摘要
申请公布号
GB726372(A)
申请公布日期
1955.03.16
申请号
GB19530017023
申请日期
1953.07.19
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
B23K9/173
主分类号
B23K9/173
代理机构
代理人
主权项
地址
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