Mail box door setting signal,申请号US19530341482-传众专利搜索

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发明名称	Mail box door setting signal
摘要
申请公布号	US2797860(A)	申请公布日期	1957.07.02
申请号	US19530341482	申请日期	1953.03.10
申请人	FOSTER FRED W	发明人	FOSTER FRED W.
分类号	A47G29/122	主分类号	A47G29/122
代理机构		代理人
主权项
地址

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