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发明名称
VERFAHREN ZUR GEWINNUNG VON LIGNINREICHEM FASERMATERIAL UND VERWENDUNG DIESES MATERIALS ZUR HERSTELLUNG VON PAPIER UND PAPPE
摘要
申请公布号
DE2506919(B2)
申请公布日期
1978.02.09
申请号
DE19752506919
申请日期
1975.02.19
申请人
发明人
分类号
D21C3/04;(IPC1-7):D21C3/04
主分类号
D21C3/04
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代理人
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