CALL CONTROL DEVICE FOR TELEPHONES,申请号GB19890001680-传众专利搜索

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发明名称	CALL CONTROL DEVICE FOR TELEPHONES
摘要
申请公布号	GB8901680(D0)	申请公布日期	1989.03.15
申请号	GB19890001680	申请日期	1989.01.26
申请人	MARTEN, BRIAN M L	发明人
分类号	H04M1/667;H04M1/67	主分类号	H04M1/667
代理机构		代理人
主权项
地址

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