Telephone call charge rate computer,申请号US19600046945-传众专利搜索

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发明名称	Telephone call charge rate computer
摘要
申请公布号	US3206552(A)	申请公布日期	1965.09.14
申请号	US19600046945	申请日期	1960.08.02
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	AVERY ROBERT C.;MYERS OSCAR
分类号	H04M15/06	主分类号	H04M15/06
代理机构		代理人
主权项
地址

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