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发明名称
BIT FOR ROTARY-PERCUSSIVE DRILLING
摘要
申请公布号
SU1430495(A1)
申请公布日期
1988.10.15
申请号
SU19864169998
申请日期
1986.11.12
申请人
KYSHTYMSKIJ MASHINOSTROITELNYJ ZAVOD IM.M.I.KALININA
发明人
KURDYUKOV ALEKSANDR S,SU;PLEKHANOV ILYA D,SU;DAJBOV SERGEJ V,SU;GLAZKOV VALERIJ V,SU;KOSTIN ALEKSANDR F,SU;ALFEROV VLADIMIR A,SU
分类号
E21B10/36
主分类号
E21B10/36
代理机构
代理人
主权项
地址
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