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发明名称
DRILL ROD FEED MECHANISM
摘要
申请公布号
SU1599531(A1)
申请公布日期
1990.10.15
申请号
SU19884420811
申请日期
1988.03.23
申请人
KY VNII STROITELNOGO DOROZHNOGO MASHINOSTROENIYA
发明人
SHUSTOV VALERIJ L,SU;KAGAN IGOR L,SU;MAKUSHKIN DAMBA O,SU;DUNAEV GEORGIJ B,SU;GAVRILOV GENNADIJ A,SU;SHEMBEROV VLADIMIR S,SU
分类号
E21B19/086;E21B3/00
主分类号
E21B19/086
代理机构
代理人
主权项
地址
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