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发明名称
DEVICE FOR PERCUSSIVE DRILLING
摘要
申请公布号
SU643633(A1)
申请公布日期
1979.01.25
申请号
SU19721837277
申请日期
1972.10.17
申请人
KAZAKHSKIJ POLT I IM.V.I.LENINA
发明人
KIM MOISEJ F,SU;YADRENNIKOV VITALIJ M,SU;FISENKO BORIS ,SU;LENSKIJ VASILIJ V,SU;BIKBOV ASKHAT ,SU;ZHANTEMIROV SABIR D,SU
分类号
E21B4/14;(IPC1-7):E21C3/24
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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