METHOD FOR A CALCULATOR CONTROLLED SWITCHING DEVICE ESPECIALLY FOR A SO CALLED KEY TELEPHONE EXCHANGE WITH THE POSSIBILITY OF CALL TRANSFER,申请号EP19880108430-传众专利搜索

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发明名称	METHOD FOR A CALCULATOR CONTROLLED SWITCHING DEVICE ESPECIALLY FOR A SO CALLED KEY TELEPHONE EXCHANGE WITH THE POSSIBILITY OF CALL TRANSFER
摘要
申请公布号	EP0295470(A3)	申请公布日期	1991.01.30
申请号	EP19880108430	申请日期	1988.05.26
申请人	SIEMENS AKTIENGESELLSCHAFT BERLIN UND MUNCHEN	发明人	ROTH, ROLAND, DIPL.-INFORM.
分类号	H04M3/46;H04M3/54;H04M9/00;H04Q3/545;(IPC1-7):H04M3/54	主分类号	H04M3/46
代理机构		代理人
主权项
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