PABX DATA LINK,申请号GB19840031492-传众专利搜索

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发明名称	PABX DATA LINK
摘要
申请公布号	GB8431492(D0)	申请公布日期	1985.01.23
申请号	GB19840031492	申请日期	1984.12.13
申请人	STANDARD TELEPHONES & CABLES PLC	发明人
分类号	H04M3/36;H04M3/432;H04M3/533;H04Q3/62	主分类号	H04M3/36
代理机构		代理人
主权项
地址

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