Lifesaving fire escape apparatus,申请号US19420439298-传众专利搜索

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发明名称	Lifesaving fire escape apparatus
摘要
申请公布号	US2311070(A)	申请公布日期	1943.02.16
申请号	US19420439298	申请日期	1942.04.16
申请人	MORANDO EMANUEL R	发明人	MORANDO EMANUEL R.
分类号	A62B1/02	主分类号	A62B1/02
代理机构		代理人
主权项
地址

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