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发明名称
Unidade de calçamento aperfeiçoada
摘要
申请公布号
BR7201994(U)
申请公布日期
1994.06.21
申请号
BR1992MU01994U
申请日期
1992.12.14
申请人
OSCAR BORGES DA SILVA
发明人
OSCAR BORGES DA SILVA
分类号
E04F15/08;(IPC1-7):E04F15/08
主分类号
E04F15/08
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