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经营范围
发明名称
PERCUSSIVE HYDRAULIC DEVICE
摘要
申请公布号
SU870694(A1)
申请公布日期
1981.10.07
申请号
SU19792856625
申请日期
1979.12.17
申请人
SP K BYURO GIDROIMPULSNOJ TEKHNIKI SO AN SSSR;INST GIDRODINAMIKI SO AN SSSR
发明人
FADEEV PETR YA,SU;FADEEV VLADIMIR YA,SU;KOROBKOV VLADLEN V,SU;KULAGIN RIM A,SU;ERMILOV NIKOLAJ P,SU
分类号
E21C37/00;E01C19/05;(IPC1-7):E21C3/20
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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