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经营范围
发明名称
WEDGE DEVICE
摘要
申请公布号
SU968397(A1)
申请公布日期
1982.10.23
申请号
SU19813267284
申请日期
1981.03.30
申请人
VNII NERUDNYKH STROITELNYKH MATERIALOV GIDROMEKHANIZATSII
发明人
KUZAKOV MIKHAIL G,SU;OKHRYAMKIN VLADIMIR A,SU;KANYGIN ALEKSANDR S,SU;LEBEDEV MIKHAIL A,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
地址
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