Toy aircraft and launching device therefor,申请号US19510247952-传众专利搜索

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法人/股东/高管

发明名称	Toy aircraft and launching device therefor
摘要
申请公布号	US2731767(A)	申请公布日期	1956.01.24
申请号	US19510247952	申请日期	1951.09.24
申请人	HOLT RALPH D	发明人	HOLT RALPH D.
分类号	A63H27/133;A63H27/14	主分类号	A63H27/133
代理机构		代理人
主权项
地址

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