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发明名称
APERFEICOAMENTO EM SIFAO
摘要
申请公布号
BR6601332(U)
申请公布日期
1988.05.17
申请号
BR1986MU01332U
申请日期
1986.07.31
申请人
NELSON DETILLI
发明人
NELSON DETILLI
分类号
E03F5/20;(IPC1-7):E03F5/20
主分类号
E03F5/20
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代理人
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