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经营范围
发明名称
Méthode et dispositif de formation et de protection de dépôts de matériaux sédimentaires sur les fonds des étendues d'eau.
摘要
申请公布号
OA4248(A)
申请公布日期
1979.12.31
申请号
OA19720054462
申请日期
1972.01.12
申请人
O. FJORD LARSEN
发明人
分类号
B23P15/32;(IPC1-7):B23P15/32
主分类号
B23P15/32
代理机构
代理人
主权项
地址
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