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发明名称
PROCESSO DE PRODUCAO DE UM CORPO DE ACO COMPREENDENDO IN SERCOES DE MATERIAL DURO
摘要
申请公布号
BR8107342(A)
申请公布日期
1982.08.03
申请号
BR19810007342
申请日期
1981.11.12
申请人
INSTITUT CERAC SA
发明人
RAYBOULD DEREK
分类号
B22F7/00;B22F7/06;E21B10/52;E21B10/56;(IPC1-7):B22F7/08
主分类号
B22F7/00
代理机构
代理人
主权项
地址
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