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发明名称
PROCESSO E APARELHO PARA FABRICAR BUCHAS OU ELEMENTOS ANULARES DE METAL COM TOLERANCIAS PRECISAS
摘要
申请公布号
BR7606866(A)
申请公布日期
1977.08.30
申请号
BR19760006866
申请日期
1976.10.13
申请人
GENERAL TIRE & RUBBER CO
发明人
ROPER R
分类号
B21D3/14;B21D19/08;B21D22/20;B21D41/02;B21D51/10;(IPC1-7):B21H1/00
主分类号
B21D3/14
代理机构
代理人
主权项
地址
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