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经营范围
发明名称
PROCESSO DE PREPARACAO DE ZEOLITA 3A
摘要
申请公布号
BR8704858(A)
申请公布日期
1989.04.18
申请号
BR1987PI04858
申请日期
1987.09.22
申请人
PETROLEO BRASILEIRO S.A. - PETROBRAS;COPENE - PETROQUIMICA DO NORDESTE S.A.
发明人
RODOLFO EUGENIO RONCOLATTO;EDUARDO FALABELLA SOUZA AGUIAR
分类号
(IPC1-7):C01B33/28
主分类号
(IPC1-7):C01B33/28
代理机构
代理人
主权项
地址
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