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发明名称
DRILL CROWN
摘要
申请公布号
SU1086112(A1)
申请公布日期
1984.04.15
申请号
SU19833567799
申请日期
1983.03.24
申请人
SP K BYURO V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA";INST SVERKHTVERDYKH MAT
发明人
KOGAN DAVID I,SU;SAVELEV VYACHESLAV N,SU;ZHURAVITSKAYA GALINA N,SU;BUGAEV ALEKSANDR A,SU;LIVSHITS VALERIJ N,SU;BOGDANOV ROBERT K,SU;SUKHOMLINOV DMITRIJ P,SU
分类号
E21B10/60;(IPC1-7):E21B10/60
主分类号
E21B10/60
代理机构
代理人
主权项
地址
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