IMPROVEMENTS IN OR RELATING TO TELEPHONE APPARATUS,申请号GB19910014863-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO TELEPHONE APPARATUS
摘要
申请公布号	GB9114863(D0)	申请公布日期	1991.08.28
申请号	GB19910014863	申请日期	1991.07.10
申请人	DATABIT COMPUTER & COMMUNICATION SYSTEMS LTD	发明人
分类号	H04M3/36;H04Q3/00	主分类号	H04M3/36
代理机构		代理人
主权项
地址

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