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发明名称
INSTRUMENTO PARA CALCULOS
摘要
申请公布号
BR7802361(A)
申请公布日期
1978.10.24
申请号
BR19780002361
申请日期
1978.04.17
申请人
FILHO A
发明人
FILHO A
分类号
G01B3/02;G01B5/00;(IPC1-7):G01B3/02
主分类号
G01B3/02
代理机构
代理人
主权项
地址
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