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发明名称
ESTOJO DIDATICO
摘要
申请公布号
BR6801954(U)
申请公布日期
1990.04.24
申请号
BR1988MU01954U
申请日期
1988.07.27
申请人
LUIZA DE MARILAC OLIVEIRA
发明人
LUIZA DE MARILAC OLIVEIRA
分类号
G09B1/00;(IPC1-7):G09B1/00
主分类号
G09B1/00
代理机构
代理人
主权项
地址
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