Method and system for utilizing a digital phone limited to analog transmissions,申请号EP19970112130-传众专利搜索

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发明名称	Method and system for utilizing a digital phone limited to analog transmissions
摘要
申请公布号	EP0820177(A3)	申请公布日期	2000.06.14
申请号	EP19970112130	申请日期	1997.07.16
申请人	SIEMENS BUSINESS COMMUNICATION SYSTEMS, INC.	发明人	SHAFFER, SHMUEL;BEYDA, WILLIAM J.
分类号	H04M1/253;H04Q11/04;(IPC1-7):H04M1/00	主分类号	H04M1/253
代理机构		代理人
主权项
地址

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