APPARATUS FOR GUIDING VISUALLY HANDICAPPED PERSON,申请号JP19900028059-传众专利搜索

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发明名称	APPARATUS FOR GUIDING VISUALLY HANDICAPPED PERSON
摘要
申请公布号	JPH03231668(A)	申请公布日期	1991.10.15
申请号	JP19900028059	申请日期	1990.02.07
申请人	NEC ENVIRONMENT ENG LTD	发明人	OBUCHI FUMITAKA;YAMAUCHI FUMIO
分类号	A61H3/06;A61F9/08	主分类号	A61H3/06
代理机构		代理人
主权项
地址

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