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发明名称
DEVICE FOR LOOSENING HARD GROUND
摘要
申请公布号
SU644911(A1)
申请公布日期
1979.01.30
申请号
SU19762411938
申请日期
1976.10.11
申请人
VNII GIDROTEKHNIKI MELIORATSII IM. A.N.KOSTYAKOVA;OK BYURO VNII GIDROTEKHNIKI MELIORATSII IM. A.N. KOSTYAKOVA S O PROIZVODSTVOM
发明人
LISIN EVGENIJ S,SU;USHAKOV OLEG L,SU;BUTYKHOV NIKOLAJ V,SU;FEDOSEEV VLADIMIR P,SU
分类号
E02F3/24;E02F5/30;(IPC1-7):02F3/24;02F5/30
主分类号
E02F3/24
代理机构
代理人
主权项
地址
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