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发明名称
Portes d'écluses, de formes de radoub et d'autres bassins, allegees ou fractionnées à l'aide de surfaces d'appuis verticales et horizontales intermédiaires et supplémentaires et d'application de formes en voûtes
摘要
申请公布号
FR984497(A)
申请公布日期
1951.07.06
申请号
FRD984497
申请日期
1943.09.02
申请人
发明人
LIPSKY JEAN
分类号
E02B7/20
主分类号
E02B7/20
代理机构
代理人
主权项
地址
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