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发明名称
Improvements relating to the supply of dyestuffs, alum and other materials in solution or suspension, to paper pulp during its passage to paper making machines
摘要
申请公布号
GB475972(A)
申请公布日期
1937.11.30
申请号
GB19360016765
申请日期
1936.06.16
申请人
OSCAR ROLLS
发明人
分类号
D21H23/18
主分类号
D21H23/18
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