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经营范围
发明名称
Improvements in and relating to welding apparatus
摘要
申请公布号
GB523407(A)
申请公布日期
1940.07.15
申请号
GB19390000275
申请日期
1939.01.04
申请人
BRIGGS MANUFACTURING CO.
发明人
分类号
B23K11/31
主分类号
B23K11/31
代理机构
代理人
主权项
地址
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