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经营范围
发明名称
DRAINAGE DEVICE
摘要
申请公布号
SU1604910(A1)
申请公布日期
1990.11.07
申请号
SU19874253497
申请日期
1987.05.29
申请人
SMOLENSKIJ VNII GIDROTEKHNIKI MELIORATSII IM.A.N.KOSTYAKOVA
发明人
NAZAROV TIMUR TS,SU;NOVIKOV ALEKSEJ N,SU
分类号
E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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