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发明名称
HYDRAULIC WEDGE
摘要
申请公布号
SU1020575(A2)
申请公布日期
1983.05.30
申请号
SU19823392528
申请日期
1982.02.04
申请人
VNII NERUDNYKH STROITELNYKH MATERIALOV GIDROMEKHANIZATSII
发明人
OKHRYAMKIN VLADIMIR A,SU;GUSEV VLADIMIR I,SU
分类号
E21C37/02;(IPC1-7):E21C37/02
主分类号
E21C37/02
代理机构
代理人
主权项
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