Signal light switch,申请号US19300450534-传众专利搜索

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发明名称	Signal light switch
摘要
申请公布号	US1894163(A)	申请公布日期	1933.01.10
申请号	US19300450534	申请日期	1930.05.07
申请人	DAL PORTO CHARLES FRANCIS	发明人	PORTO CHARLES FRANCIS DAL
分类号	B60Q1/42	主分类号	B60Q1/42
代理机构		代理人
主权项
地址

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