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经营范围
发明名称
REACTIVE-TURBINE EARTH-DRILLING UNIT
摘要
申请公布号
SU840369(A1)
申请公布日期
1981.06.23
申请号
SU19792777806
申请日期
1979.06.08
申请人
MONTAZHNO-STROITELNOE U TRESTA "GIDROMONTAZH"
发明人
RYABCHENKO NIKOLAJ P,SU;LEONOV MIKHAIL D,SU;GOJ VLADIMIR L,SU
分类号
E21D1/06;(IPC1-7):E21D1/06
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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