Coin collector circuits for telephone systems,申请号US19570664599-传众专利搜索

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发明名称	Coin collector circuits for telephone systems
摘要
申请公布号	US2935567(A)	申请公布日期	1960.05.03
申请号	US19570664599	申请日期	1957.06.10
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	ANDERSON JOHN R.
分类号	H04L17/02;H04M17/02	主分类号	H04L17/02
代理机构		代理人
主权项
地址

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