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发明名称
DOWN-HOLE PNEUMATIC HAMMER
摘要
申请公布号
SU1652535(A1)
申请公布日期
1991.05.30
申请号
SU19894710965
申请日期
1989.06.27
申请人
KYSHTYMSKIJ MASHINOSTROITELNYJ ZAVOD IM.M.I.KALININA
发明人
KURDYUKOV ALEKSANDR S,SU;PLEKHANOV ILYA D,SU;YAKIMOV VADIM P,SU;DAJBOV SERGEJ V,SU;GALITSKOV GENNADIJ A,SU;KOSTIN ALEKSANDR F,SU
分类号
E21B4/14
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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