Improvements in rotative-winged aircraft,申请号GB19470020389-传众专利搜索

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发明名称	Improvements in rotative-winged aircraft
摘要
申请公布号	GB634865(A)	申请公布日期	1950.03.29
申请号	GB19470020389	申请日期	1947.07.29
申请人	AUTOGIRO COMPANY OF AMERICA	发明人
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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