Handrail System for the Visually Impaired,申请号CA19932123114-传众专利搜索

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发明名称	Handrail System for the Visually Impaired
摘要
申请公布号	CA2123114(A1)	申请公布日期	1994.03.17
申请号	CA19932123114	申请日期	1993.09.07
申请人	RAYNES COCO	发明人	RAYNES COCO
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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