Aircraft having wings with ducted fans therein,申请号US19570654419-传众专利搜索

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发明名称	Aircraft having wings with ducted fans therein
摘要
申请公布号	US2939649(A)	申请公布日期	1960.06.07
申请号	US19570654419	申请日期	1957.04.22
申请人	SHAW RONALD A	发明人	SHAW RONALD A.
分类号	B64C29/00	主分类号	B64C29/00
代理机构		代理人
主权项
地址

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