A key telephone system,申请号AU19920016313-传众专利搜索

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发明名称	A key telephone system
摘要
申请公布号	AU651202(B2)	申请公布日期	1994.07.14
申请号	AU19920016313	申请日期	1992.05.14
申请人	ALCATEL N.V.	发明人	GERD SIEGMUND
分类号	H04M1/247;H04M1/723;H04M9/02;(IPC1-7):H04M3/42	主分类号	H04M1/247
代理机构		代理人
主权项
地址

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