Improvements in or relating to arrangements for metering telephone calls,申请号GB19570008052-传众专利搜索

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发明名称	Improvements in or relating to arrangements for metering telephone calls
摘要
申请公布号	GB876538(A)	申请公布日期	1961.09.06
申请号	GB19570008052	申请日期	1957.03.12
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	GREENAWAY JOHN FRANK;HAMPSON PETER SAMUEL;HALTON DONALD;MARWING KENNETH GEORGE
分类号	H04M15/04	主分类号	H04M15/04
代理机构		代理人
主权项
地址

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