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发明名称
Improvements in roller electrode welding machines
摘要
申请公布号
GB696129(A)
申请公布日期
1953.08.26
申请号
GB19500014174
申请日期
1950.06.07
申请人
TUBE MAKING MACHINES LIMITED
发明人
HENDERSON JOHN LEONARD
分类号
B23K11/31
主分类号
B23K11/31
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代理人
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