COMPAS PARA USOS DIDACTICOS.,申请号ES19410002370U-传众专利搜索

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发明名称	COMPAS PARA USOS DIDACTICOS.
摘要
申请公布号	ES237041(Y)	申请公布日期	1979.01.16
申请号	ES19410002370U	申请日期	1978.06.30
申请人		发明人
分类号	B43L;(IPC1-7):43L/	主分类号	B43L
代理机构		代理人
主权项
地址

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