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发明名称
Dispositif pour repérage d'un sous-marin coulé
摘要
申请公布号
FR734297(A)
申请公布日期
1932.10.19
申请号
FRD734297
申请日期
1932.03.29
申请人
发明人
VERGNES JEAN-JULES
分类号
B63G8/41
主分类号
B63G8/41
代理机构
代理人
主权项
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