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发明名称
Dispositif pour évacuer des alluvions déposées dans les lacs artificiels
摘要
申请公布号
FR1417581(A)
申请公布日期
1965.11.12
申请号
FR19640998604
申请日期
1964.12.15
申请人
发明人
ROVERI ENZO
分类号
A01D44/00;E02B8/02;E02F3/90;E02F3/92
主分类号
A01D44/00
代理机构
代理人
主权项
地址
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