DEVICE FOR ENABLING BLIND TO USE MULTICHANNEL TELEPHONE SET SYSTEM,申请号JP19760006943U-传众专利搜索

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发明名称	DEVICE FOR ENABLING BLIND TO USE MULTICHANNEL TELEPHONE SET SYSTEM
摘要
申请公布号	JPS5299005(U)	申请公布日期	1977.07.26
申请号	JP19760006943U	申请日期	1976.01.23
申请人		发明人
分类号	A44B1/04;A44B1/00;A44B1/02;A44B1/08;A44B1/16;(IPC1-7):A44B1/16	主分类号	A44B1/04
代理机构		代理人
主权项
地址

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