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发明名称
DRILL BIT
摘要
申请公布号
SU901455(A1)
申请公布日期
1982.01.30
申请号
SU19802919191
申请日期
1980.04.30
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.S.ORDZHONIKIDZE
发明人
POPOV ALEKSANDR N,SU;DMITRAK YURIJ A,SU;BANK ARIJ S,SU;KACHAN VIL G,SU;AGARKOV ANATOLIJ K,SU;KARPIKOV ALEKSEJ P,SU
分类号
E21B10/10;(IPC1-7):E21B10/10
主分类号
E21B10/10
代理机构
代理人
主权项
地址
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