Mount for focus finders in signal lamps,申请号US19270232981-传众专利搜索

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发明名称	Mount for focus finders in signal lamps
摘要
申请公布号	US1756948(A)	申请公布日期	1930.05.06
申请号	US19270232981	申请日期	1927.11.14
申请人	CHICAGO RAILWAY SIGNAL & SUPPLY COMPANY	发明人	MCCARTHY DANIEL J.
分类号	B61L5/18	主分类号	B61L5/18
代理机构		代理人
主权项
地址

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