BUTTON TELEPHONE DEVICE,申请号JP19880177652-传众专利搜索

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发明名称	BUTTON TELEPHONE DEVICE
摘要
申请公布号	JPH0226495(A)	申请公布日期	1990.01.29
申请号	JP19880177652	申请日期	1988.07.15
申请人	NEC CORP	发明人	NAKAHARA TATSU;TERAUCHI YOSHIO
分类号	H04Q3/58	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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