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发明名称
Appareil de sauvetage pour équipages de sous-marins en détresse
摘要
申请公布号
FR947438(A)
申请公布日期
1949.07.01
申请号
FRD947438
申请日期
1947.05.31
申请人
发明人
ROUSSEAU JEAN-LOUIS
分类号
B63G8/41
主分类号
B63G8/41
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