APPARATUS FOR THE AUTOMATIC REGISTRATION OF THE COST OF A TELEPHONE CALL AND ASSOCIATED TELEPHONE EXCHANGE,申请号EP19800401079-传众专利搜索

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发明名称	APPARATUS FOR THE AUTOMATIC REGISTRATION OF THE COST OF A TELEPHONE CALL AND ASSOCIATED TELEPHONE EXCHANGE
摘要
申请公布号	EP0023181(B1)	申请公布日期	1982.12.01
申请号	EP19800401079	申请日期	1980.07.18
申请人	SERRES, BERNARD;GIRARD, JEAN;BLANC, MICHEL	发明人	SERRES, BERNARD
分类号	H04M15/30;(IPC1-7):04M15/30	主分类号	H04M15/30
代理机构		代理人
主权项
地址

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