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发明名称
Procédé et appareil pour l'allègement ou le relevage des épaves
摘要
申请公布号
FR878980(A)
申请公布日期
1943.02.10
申请号
FRD878980
申请日期
1942.02.02
申请人
发明人
RYSDYK FRANK
分类号
B63C7/12
主分类号
B63C7/12
代理机构
代理人
主权项
地址
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