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发明名称
SVINGBAR STOETTEARM FOR FOERINGSSKINNE TIL BOREAPPARAT
摘要
申请公布号
NO800859(A)
申请公布日期
1980.09.29
申请号
NO19800000859
申请日期
1980.03.25
申请人
MONTABERT, ROGER,
发明人
MONTABERT, ROGER,
分类号
E21B7/02;E21B15/00;E21B15/04;E21B19/08;(IPC1-7):E21C/
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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