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发明名称
Perfectionnements aux machines rotatives à fluide sous pression, applicables no tamment à la commande des hélices d'aéronefs
摘要
申请公布号
FR860357(A)
申请公布日期
1941.01.13
申请号
FRD860357
申请日期
1939.09.23
申请人
THE DE HAVILLAND AIRCRAFT COMPANY LIMITED
发明人
分类号
B64C11/42
主分类号
B64C11/42
代理机构
代理人
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地址
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