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发明名称
Improvements in or relating to electric resistance welding apparatus
摘要
申请公布号
GB870218(A)
申请公布日期
1961.06.14
申请号
GB19590015309
申请日期
1959.05.05
申请人
KELLER & KNAPPICH MASCHINENFABRIK G.M.B.H.
发明人
分类号
B23K11/093
主分类号
B23K11/093
代理机构
代理人
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