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发明名称
PROCESSO PARA A OBTENCAO DE ARCOS PREMOLDADOS E PRODUTO RESULTANTE
摘要
申请公布号
BR7603926(A)
申请公布日期
1978.01.10
申请号
BR19760003926
申请日期
1976.06.18
申请人
GALLEGO A
发明人
GALLEGO A
分类号
E21D11/18;(IPC1-7):E21D11/18
主分类号
E21D11/18
代理机构
代理人
主权项
地址
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