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发明名称
Procédé pour le repérage des épaves sous-marines
摘要
申请公布号
FR849272(A)
申请公布日期
1939.11.17
申请号
FRD849272
申请日期
1938.07.28
申请人
发明人
PREVOISIN ROBERT-JOSEPH-MARIE DE;MARCHAND RENE-HENRI
分类号
B63C11/48
主分类号
B63C11/48
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代理人
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