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发明名称
Verfahren zur Herstellung hochbiegsamer Graupappe durch Behandlung des Rohmateriales vor oder nach dem Vermahlen mit Alkalilauge.
摘要
申请公布号
AT117490(B)
申请公布日期
1930.04.25
申请号
ATD117490
申请日期
1927.07.15
申请人
BENNO RICHARD RUISS
发明人
BENNO RICHARD RUISS
分类号
主分类号
代理机构
代理人
主权项
地址
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