MATERIAL DIDACTICO PARA LA NUMERACION, SUMA Y RESTA DE NUMEROS NATURALES INFERIORES A MIL,申请号ES19870000983U-传众专利搜索

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发明名称	MATERIAL DIDACTICO PARA LA NUMERACION, SUMA Y RESTA DE NUMEROS NATURALES INFERIORES A MIL
摘要
申请公布号	ES1005760(U)	申请公布日期	1988.12.01
申请号	ES19870000983U	申请日期	1987.03.25
申请人	MESAS GARCIA TOMAS	发明人
分类号	G09B1/02;(IPC1-7):G09B1/02	主分类号	G09B1/02
代理机构		代理人
主权项
地址

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