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经营范围
发明名称
DEVICE FOR HYDROFRACTURING
摘要
申请公布号
SU1709078(A1)
申请公布日期
1992.01.30
申请号
SU19894771825
申请日期
1989.10.16
申请人
LE GORNYJ I IM.G.V.PLEKHANOVA
发明人
KOROBKOV ALEKSANDR A,SU;SLYUSAREV NIKOLAJ I,SU;MEDZHITOV OLEG V,SU
分类号
E21B43/26
主分类号
E21B43/26
代理机构
代理人
主权项
地址
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