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发明名称
UNIDADE DE PERFURACAO DESTINADA A PRODUZIR FUROS BROQUEADOS
摘要
申请公布号
BR8102479(A)
申请公布日期
1982.01.05
申请号
BR19810002479
申请日期
1981.04.24
申请人
FISCHER A
发明人
FISCHER A
分类号
B28D1/14;B23B31/00;B23B51/00;(IPC1-7):B23B45/14;B23B51/12
主分类号
B28D1/14
代理机构
代理人
主权项
地址
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