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发明名称
DEVICE TO DAM WATER STREAM
摘要
申请公布号
RU2038444(C1)
申请公布日期
1995.06.27
申请号
SU19904870510
申请日期
1990.09.03
申请人
KOSHKIN VYACHESLAV YA;IVANOV LEV V;PARFENOV ALEKSANDR F
发明人
KOSHKIN VYACHESLAV YA;IVANOV LEV V;PARFENOV ALEKSANDR F
分类号
E02B7/40;(IPC1-7):E02B7/40
主分类号
E02B7/40
代理机构
代理人
主权项
地址
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