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发明名称
PROCESSO E DISPOSITIVO PARA TRATAR LICOR NEGRO NA PRODUCAO DE PASTA DE PAPEL
摘要
申请公布号
PT91722(A)
申请公布日期
1990.03.30
申请号
PT19890091722
申请日期
1989.09.14
申请人
A. AHLSTROM CORP.
发明人
ROLF RYHAM
分类号
C02F1/02;C02F1/04;D21C11/00;D21C11/04;D21C11/10;(IPC1-7):D21C11/00
主分类号
C02F1/02
代理机构
代理人
主权项
地址
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