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发明名称
APERFEICOAMENTO EM SEDE DUPLA DE VEDACAO
摘要
申请公布号
BR5901517(U)
申请公布日期
1980.02.12
申请号
BR19790001517U
申请日期
1979.11.12
申请人
SANTOS C
发明人
SANTOS C
分类号
E03D1/34;(IPC1-7):E03D1/34
主分类号
E03D1/34
代理机构
代理人
主权项
地址
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