ANZEIGESYSTEM DES LEITUNGSZUSTANDS EINER FERNSPRECHVERMITTLUNGSANLAGE,申请号DE19916031751-传众专利搜索

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发明名称	ANZEIGESYSTEM DES LEITUNGSZUSTANDS EINER FERNSPRECHVERMITTLUNGSANLAGE
摘要
申请公布号	DE69131751(D1)	申请公布日期	1999.12.02
申请号	DE19916031751	申请日期	1991.04.19
申请人	HITACHI TELECOM TECHNOLOGIES, LTD.	发明人	DOMOTO, YOSHIHISA;TAKAHASHI, TOSHIE;KURUMADA, TOSHIMI
分类号	H04M3/42;H04M3/62;H04Q3/00;H04Q3/58;(IPC1-7):H04M3/42	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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