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发明名称
PROCESSO E APARELHO PARA PREPARAR,POR CARGAS,COMPOSICOES DE MATERIAIS DE ATRITO
摘要
申请公布号
BR7902031(A)
申请公布日期
1980.10.21
申请号
BR19790002031
申请日期
1979.04.03
申请人
AMSTED IND INC
发明人
LITTLEFIELD J
分类号
(IPC1-7):B29B1/03
主分类号
(IPC1-7):B29B1/03
代理机构
代理人
主权项
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