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经营范围
发明名称
RASPADOR
摘要
申请公布号
BR7201414(U)
申请公布日期
1993.04.20
申请号
BR1992MU01414U
申请日期
1992.08.28
申请人
COMPANHIA SIDERURGICA NACIONAL (GRUPO SIDERBRAS)
发明人
ANTONIO EUSTAQUIO FERNANDES;BENEDITO BATISTA DOS REIS;FRANCISCO DE PAULA NETO
分类号
C22B1/14;(IPC1-7):C22B1/14
主分类号
C22B1/14
代理机构
代理人
主权项
地址
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