Courbes circulaires des extrémités des pales d'hélices,申请号FRD1026366-传众专利搜索

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发明名称	Courbes circulaires des extrémités des pales d'hélices
摘要
申请公布号	FR1026366(A)	申请公布日期	1953.04.27
申请号	FRD1026366	申请日期	1950.10.21
申请人		发明人	PENIGAUD EDMOND
分类号	B63H1/12	主分类号	B63H1/12
代理机构		代理人
主权项
地址

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