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发明名称
FRESA
摘要
申请公布号
BR8807322(A)
申请公布日期
1990.03.13
申请号
BR19880007322
申请日期
1988.01.15
申请人
GRAZIANO SIROL
发明人
GRAZIANO SIROL
分类号
B02C13/09;B02C13/286;(IPC1-7):B02C13/09
主分类号
B02C13/09
代理机构
代理人
主权项
地址
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