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经营范围
发明名称
Procédé de réduction en pulpe par sulfite
摘要
申请公布号
FR1287891(A)
申请公布日期
1962.03.16
申请号
FR19616941508
申请日期
1961.04.27
申请人
HOWARD SMITH PAPER MILLS LIMITED
发明人
分类号
D21C3/26
主分类号
D21C3/26
代理机构
代理人
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