Perfectionnements aux hélices d'aéronefs,申请号FRD952302-传众专利搜索

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发明名称	Perfectionnements aux hélices d'aéronefs
摘要
申请公布号	FR952302(A)	申请公布日期	1949.11.15
申请号	FRD952302	申请日期	1947.08.25
申请人	EVEREL PROPELLER CORPORATION	发明人
分类号	B64C11/06	主分类号	B64C11/06
代理机构		代理人
主权项
地址

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