Perfectionnements aux moyeux pour hélices aériennes à pas réglable,申请号FRD723356-传众专利搜索

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发明名称	Perfectionnements aux moyeux pour hélices aériennes à pas réglable
摘要
申请公布号	FR723356(A)	申请公布日期	1932.04.07
申请号	FRD723356	申请日期	1930.12.11
申请人	NIEUPORT-ASTRA	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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