BRAILLE SHEET AND BRAILLE BOOK,申请号JP19920191825-传众专利搜索

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发明名称	BRAILLE SHEET AND BRAILLE BOOK
摘要
申请公布号	JPH0635398(A)	申请公布日期	1994.02.10
申请号	JP19920191825	申请日期	1992.07.20
申请人	MATSUSHITA ELECTRIC IND CO LTD	发明人	SHIMIZU KAORU
分类号	G09B21/00;(IPC1-7):G09B21/00	主分类号	G09B21/00
代理机构		代理人
主权项
地址

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