SIGHT HANDICAPPED PERSON GUIDING SYSTEM,申请号JP19950246013-传众专利搜索

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发明名称	SIGHT HANDICAPPED PERSON GUIDING SYSTEM
摘要
申请公布号	JPH0990866(A)	申请公布日期	1997.04.04
申请号	JP19950246013	申请日期	1995.09.25
申请人	HAZAMA GUMI LTD	发明人	NAKAGAWA HIROYUKI
分类号	G09B21/00;G08B6/00;(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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