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经营范围
发明名称
Improvements in rotary electric resistance welders
摘要
申请公布号
GB805186(A)
申请公布日期
1958.12.03
申请号
GB19570007101
申请日期
1957.03.04
申请人
THE ETNA MACHINE COMPANY
发明人
分类号
B23K11/06
主分类号
B23K11/06
代理机构
代理人
主权项
地址
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