DEVICE FOR TEACHING BLINDS,申请号SU19782703245-传众专利搜索

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发明名称	DEVICE FOR TEACHING BLINDS
摘要
申请公布号	SU911592(A1)	申请公布日期	1982.03.07
申请号	SU19782703245	申请日期	1978.12.26
申请人	ROZHIN VALERIJ R,SU	发明人	ROZHIN VALERIJ R,SU
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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