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发明名称
ROTOR TURBINE DRILL
摘要
申请公布号
SU901447(A1)
申请公布日期
1982.01.30
申请号
SU19802909857
申请日期
1980.04.11
申请人
VNII BUROVOJ TEKHNIKI
发明人
VYSOTSKIJ VLADIMIR A,SU;LIBERMAN VLADIMIR I,SU;RYBALKA ANATOLIJ A,SU
分类号
E21B4/00;(IPC1-7):E21B4/00
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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