Electric clock,申请号US19310569457-传众专利搜索

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发明名称	Electric clock
摘要
申请公布号	US2070238(A)	申请公布日期	1937.02.09
申请号	US19310569457	申请日期	1931.10.17
申请人	MARYLINE B. POOLE;MARYLINE B. POOLE	发明人
分类号	G04C11/08	主分类号	G04C11/08
代理机构		代理人
主权项
地址

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