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发明名称
PROCESSO PARA PRODUZIR PAPEL
摘要
申请公布号
BR8904283(A)
申请公布日期
1990.04.17
申请号
BR1989PI04283
申请日期
1989.08.25
申请人
EKA NOBEL AB.
发明人
HANS ERIK JOHANSSON
分类号
D21H17/33;D21H17/37;D21H17/45;D21H17/54;D21H17/63;D21H17/67;D21H17/68;(IPC1-7):D21H3/00
主分类号
D21H17/33
代理机构
代理人
主权项
地址
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