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发明名称
Improvements in and relating to electric seam welding apparatus
摘要
申请公布号
GB548652(A)
申请公布日期
1942.10.19
申请号
GB19410015451
申请日期
1941.12.01
申请人
WILLIAM BROOKES
发明人
分类号
B23K11/30
主分类号
B23K11/30
代理机构
代理人
主权项
地址
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