Control means for helicopters,申请号US19430505526-传众专利搜索

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发明名称	Control means for helicopters
摘要
申请公布号	US2414258(A)	申请公布日期	1947.01.14
申请号	US19430505526	申请日期	1943.10.08
申请人	HAYS	发明人	HAYS RUSSELL R.;RAZAK CHARLES KENNETH
分类号	B64C27/04	主分类号	B64C27/04
代理机构		代理人
主权项
地址

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