EXTENSION TELEPHONE NUMBER CONFIRMING SYSTEM FOR EXTENSION TELEPHONE SET,申请号JP19880065760-传众专利搜索

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发明名称	EXTENSION TELEPHONE NUMBER CONFIRMING SYSTEM FOR EXTENSION TELEPHONE SET
摘要
申请公布号	JPH01240059(A)	申请公布日期	1989.09.25
申请号	JP19880065760	申请日期	1988.03.22
申请人	NEC CORP	发明人	SUGA SUSUMU
分类号	H04M3/42	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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