Multirotor helicopter with tiltable rotors,申请号US19450605230-传众专利搜索

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发明名称	Multirotor helicopter with tiltable rotors
摘要
申请公布号	US2452726(A)	申请公布日期	1948.11.02
申请号	US19450605230	申请日期	1945.07.16
申请人	MILTON H. LEES, JR.	发明人	BUCHET CONRAD R.
分类号	B64C27/52	主分类号	B64C27/52
代理机构		代理人
主权项
地址

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