Perfectionnement aux hélices d'avion,申请号FRD915827-传众专利搜索

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发明名称	Perfectionnement aux hélices d'avion
摘要
申请公布号	FR915827(A)	申请公布日期	1946.11.19
申请号	FRD915827	申请日期	1945.10.15
申请人	THOMSON INDUSTRIES INC.	发明人
分类号	B64C11/36	主分类号	B64C11/36
代理机构		代理人
主权项
地址

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