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发明名称
Waste paper de-inking process using multi-stage vertical column vapor-liquid mixer
摘要
申请公布号
US4977943(A)
申请公布日期
1990.12.18
申请号
US19890349080
申请日期
1989.05.09
申请人
JUJO PAPER CO., LTD.
发明人
MIYABE, NORIJI
分类号
D21B1/32;D21C5/02;D21C11/06
主分类号
D21B1/32
代理机构
代理人
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地址
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