Electric time system,申请号US19320639180-传众专利搜索

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发明名称	Electric time system
摘要
申请公布号	US2083363(A)	申请公布日期	1937.06.08
申请号	US19320639180	申请日期	1932.10.24
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	BRYCE JAMES W.
分类号	G04C11/04	主分类号	G04C11/04
代理机构		代理人
主权项
地址

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