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发明名称
PROCESSO DE OBTENCAO E APLICACAO DE REFRATARIO EM FORNOS ROTATIVOS E SEMELHANTES
摘要
申请公布号
BR9202216(A)
申请公布日期
1993.12.21
申请号
BR1992PI02216
申请日期
1992.06.02
申请人
SIDERURGICA SAO SEBASTIAO DE ITATIAIUCO S/A
发明人
WILLIAM ANTONIO DE AZEVEDO
分类号
(IPC1-7):C04B35/68
主分类号
(IPC1-7):C04B35/68
代理机构
代理人
主权项
地址
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