Helicopter, high rotor load speed enhancement,申请号US19890354533-传众专利搜索

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发明名称	Helicopter, high rotor load speed enhancement
摘要
申请公布号	US4998202(A)	申请公布日期	1991.03.05
申请号	US19890354533	申请日期	1989.05.19
申请人	UNITED TECHNOLOGIES CORPORATION	发明人	WALSH, DAVID M.;GREENBERG, CHARLES E.;LAPPOS, NICHOLAS D.;SWEET, DAVID H.
分类号	B64D31/00;F02C9/28;G05D1/08	主分类号	B64D31/00
代理机构		代理人
主权项
地址

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