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发明名称
Perfectionnement aux dispositifs de silencieux d'aéronefs
摘要
申请公布号
FR825030(A)
申请公布日期
1938.02.22
申请号
FRD825030
申请日期
1936.11.07
申请人
发明人
SOREAU DANIEL
分类号
B64D33/04
主分类号
B64D33/04
代理机构
代理人
主权项
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