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发明名称
Cales éclipsables pour l'aviation
摘要
申请公布号
FR857247(A)
申请公布日期
1940.08.31
申请号
FRD857247
申请日期
1939.02.22
申请人
发明人
EDMOND DELPLANQUE
分类号
B64F1/16
主分类号
B64F1/16
代理机构
代理人
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