Signal-light switch,申请号US19290329893-传众专利搜索

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发明名称	Signal-light switch
摘要
申请公布号	US1787833(A)	申请公布日期	1931.01.06
申请号	US19290329893	申请日期	1929.01.02
申请人	NICKELL CHARLES F;NICKELL RANDSOME M;NICKELL HARRY E	发明人	NICKELL CHARLES F.;NICKELL RANDSOME M.;NICKELL HARRY E.
分类号	B60Q1/34	主分类号	B60Q1/34
代理机构		代理人
主权项
地址

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