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发明名称
BORESTRENG-BEVEGELSESUTSTYR SAERLIG FOR UTFOERELSE AV KONTINUERLIG DYPBORING.
摘要
申请公布号
NO861764(A)
申请公布日期
1986.06.24
申请号
NO19860001764
申请日期
1986.05.02
申请人
FENYVESI, JANOS
发明人
FENYVESI, JANOS
分类号
B65H51/14;E21B19/22;(IPC1-7):E21B/
主分类号
B65H51/14
代理机构
代理人
主权项
地址
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