PRIVATE AUTOMATIC BRANCH EXCHANGE,申请号GB19870001240-传众专利搜索

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发明名称	PRIVATE AUTOMATIC BRANCH EXCHANGE
摘要
申请公布号	GB8701240(D0)	申请公布日期	1987.02.25
申请号	GB19870001240	申请日期	1987.01.21
申请人	LAKE ELECTRONIC TECHNOLOGIES LTD	发明人
分类号	H04M9/00	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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