TIMEPIECE FOR BLIND PERSONS,申请号SU19823504478-传众专利搜索

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发明名称	TIMEPIECE FOR BLIND PERSONS
摘要
申请公布号	SU1285426(A1)	申请公布日期	1987.01.23
申请号	SU19823504478	申请日期	1982.10.20
申请人	GORSHUNOV EVGENIJ S,SU	发明人	GORSHUNOV EVGENIJ S,SU
分类号	G04B25/02	主分类号	G04B25/02
代理机构		代理人
主权项
地址

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