NUEVO DISPOSITIVO PARA ESCRITURA MANUAL BRAILLE.,申请号ES19890002390U-传众专利搜索

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发明名称	NUEVO DISPOSITIVO PARA ESCRITURA MANUAL BRAILLE.
摘要
申请公布号	ES1011132(U)	申请公布日期	1990.03.01
申请号	ES19890002390U	申请日期	1989.07.21
申请人	AMARO ROLLAND CARLOS	发明人
分类号	G09B21/02;(IPC1-7):G09B21/02	主分类号	G09B21/02
代理机构		代理人
主权项
地址

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