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经营范围
发明名称
VERSIONS OF HYDROMECHANICAL PACKER
摘要
申请公布号
SU1553650(A1)
申请公布日期
1990.03.30
申请号
SU19843725897
申请日期
1984.04.10
申请人
VNII BUROVOJ TEKHNIKI
发明人
VANIFATEV VLADIMIR I,SU;TSYRIN YURIJ Z,SU;DOMALCHUK ANATOLIJ A,SU;DUDALADOV ANATOLIJ K,SU;SILUYANOV SERGEJ N,SU
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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