MEANS AND METHOD FOR PREVENTING THE FORMATION OF AUDIBLE FREQUENCIES IN FLUIDS PASSING OVER AN AIRFOIL SECTION,申请号USD3612446-传众专利搜索

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发明名称	MEANS AND METHOD FOR PREVENTING THE FORMATION OF AUDIBLE FREQUENCIES IN FLUIDS PASSING OVER AN AIRFOIL SECTION
摘要
申请公布号	US3612446(A)	申请公布日期	1971.10.12
申请号	USD3612446	申请日期	1969.10.10
申请人	HERBERT A. LEBERT	发明人	HERBERT A. LEBERT
分类号	B64C21/02;(IPC1-7):B64C3/04	主分类号	B64C21/02
代理机构		代理人
主权项
地址

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