CONNECTION CONTROL SYSTEM IN KEY TELEPHONE SYSTEM,申请号JP19890157135-传众专利搜索

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发明名称	CONNECTION CONTROL SYSTEM IN KEY TELEPHONE SYSTEM
摘要
申请公布号	JPH0322792(A)	申请公布日期	1991.01.31
申请号	JP19890157135	申请日期	1989.06.20
申请人	RETSUTSU CORP:KK	发明人	GOTO AKIRA
分类号	H04Q3/58;H04M11/00	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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