Time multiplex system,申请号US19470785010-传众专利搜索

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发明名称	Time multiplex system
摘要
申请公布号	US2723310(A)	申请公布日期	1955.11.08
申请号	US19470785010	申请日期	1947.11.10
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	FRUN ALEXANDER
分类号	H04J3/04	主分类号	H04J3/04
代理机构		代理人
主权项
地址

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