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发明名称
Verfahren zur Wiedergewinnung von reinem Papierstoff aus mit Manganfarbe bedrucktem Altpapier
摘要
申请公布号
DE667723(C)
申请公布日期
1938.11.18
申请号
DE1936ST54374D
申请日期
1936.01.23
申请人
DR. KARL STEPHAN;DR. FRIEDRICH KOERNER
发明人
分类号
D21C5/02
主分类号
D21C5/02
代理机构
代理人
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