Telephone switching system,申请号US19620170635-传众专利搜索

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发明名称	Telephone switching system
摘要
申请公布号	US3189687(A)	申请公布日期	1965.06.15
申请号	US19620170635	申请日期	1962.02.02
申请人	MILLER CHARLES G	发明人	MILLER CHARLES G.
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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