Hélices à pas variable,申请号FRD1153509-传众专利搜索

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发明名称	Hélices à pas variable
摘要
申请公布号	FR1153509(A)	申请公布日期	1958.03.12
申请号	FRD1153509	申请日期	1956.05.17
申请人	UNITED AIRCRAFT CORPORATION	发明人
分类号	B64C11/38	主分类号	B64C11/38
代理机构		代理人
主权项
地址

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