Устройство для обнаружения слепыми при их перемещении встречающихся на их пути препятствий или неровностей пути,申请号SU19340148360-传众专利搜索

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发明名称	Устройство для обнаружения слепыми при их перемещении встречающихся на их пути препятствий или неровностей пути
摘要
申请公布号	SU41883(A1)	申请公布日期	1935.02.28
申请号	SU19340148360	申请日期	1934.05.29
申请人	MIKHAJLOVSKIJ E.A.	发明人	MIKHAJLOVSKIJ E.A.
分类号	G08B7/02	主分类号	G08B7/02
代理机构		代理人
主权项
地址

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