Airplane landing and launching appliance,申请号US19310524547-传众专利搜索

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发明名称	Airplane landing and launching appliance
摘要
申请公布号	US1912723(A)	申请公布日期	1933.06.06
申请号	US19310524547	申请日期	1931.03.23
申请人	WILLIS B. PERKINS, JR.;BURGESS M. KIDDER	发明人	PERKINS WILLIS J.
分类号	B64F1/04	主分类号	B64F1/04
代理机构		代理人
主权项
地址

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