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发明名称
DEVICE FOR JOINING DRILLING CROWN BIT TO PNEUMATIC PERCUSSIVE DEVICE
摘要
申请公布号
SU1641989(A1)
申请公布日期
1991.04.15
申请号
SU19884486186
申请日期
1988.09.26
申请人
KYSHTYMSKIJ MASHINOSTROITELNYJ ZAVOD IM.M.I.KALININA
发明人
KURDYUKOV ALEKSANDR S,SU;AVDONIN YURIJ F,SU;PLEKHANOV ILYA D,SU;DAJBOV SERGEJ V,SU;MINEROV GENNADIJ M,SU;GALITSKOV GENNADIJ A,SU
分类号
E21B4/14;E21B17/04
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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