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发明名称
ELECTRIC WELDING APPARATUS FOR TUBES
摘要
申请公布号
CA789151(A)
申请公布日期
1968.07.02
申请号
CAD789151
申请日期
申请人
INTERTHERM LIMITED
发明人
KLAAS A. ZANDSTRA
分类号
主分类号
代理机构
代理人
主权项
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