Airplane safety device,申请号US19340725815-传众专利搜索

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发明名称	Airplane safety device
摘要
申请公布号	US2182706(A)	申请公布日期	1939.12.05
申请号	US19340725815	申请日期	1934.05.15
申请人	SHANLEY FRANCIS R	发明人	SHANLEY FRANCIS R.
分类号		主分类号
代理机构		代理人
主权项
地址

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