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发明名称
Perfectionnements à l'emploi des propulseurs
摘要
申请公布号
FR680401(A)
申请公布日期
1930.04.29
申请号
FRD680401
申请日期
1929.08.17
申请人
发明人
SPONZA SILVIJE
分类号
B63H5/14
主分类号
B63H5/14
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