Hélice aérienne à pas variable,申请号FRD902701-传众专利搜索

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发明名称	Hélice aérienne à pas variable
摘要
申请公布号	FR902701(A)	申请公布日期	1945.09.11
申请号	FRD902701	申请日期	1944.03.14
申请人	JUNKERS FLUGZEUG-UND MOTORENWERKE AKTIENGESELLSCHAFT	发明人
分类号	B64C11/42	主分类号	B64C11/42
代理机构		代理人
主权项
地址

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