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发明名称
DRAINAGE DEVICE
摘要
申请公布号
SU861467(A1)
申请公布日期
1981.09.07
申请号
SU19792833132
申请日期
1979.10.22
申请人
BRUSS NII MELIORATSII VODNOGO KHOZYAJSTVA
发明人
POLUNIN VLADIMIR I,SU;KONDRATEV VIKTOR N,SU;MUSHIYAKH ALEKSANDR Z,SU;OVESHNIKOV VLADIMIR P,SU;GARBUK VALENTINA N,SU
分类号
E02B11/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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