Switch for double tracks for toy vehicles,申请号US19370120575-传众专利搜索

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法人/股东/高管

发明名称	Switch for double tracks for toy vehicles
摘要
申请公布号	US2128821(A)	申请公布日期	1938.08.30
申请号	US19370120575	申请日期	1937.01.14
申请人	ERNST HORN	发明人	HORN ERNST
分类号	A63H18/02	主分类号	A63H18/02
代理机构		代理人
主权项
地址

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