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发明名称
Dispositif pour la chasse automatique de l'eau des ballasts d'un sousmarin en cas d'avarie de la coque
摘要
申请公布号
FR706238(A)
申请公布日期
1931.06.20
申请号
FRD706238
申请日期
1930.02.15
申请人
发明人
KRAFT MICHEL DE
分类号
B63G8/22
主分类号
B63G8/22
代理机构
代理人
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地址
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