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发明名称
Improvements in and relating to beating engines for paper pulp
摘要
申请公布号
GB469551(A)
申请公布日期
1937.07.27
申请号
GB19350035799
申请日期
1935.12.27
申请人
SAMUEL MILNE
发明人
分类号
D21D1/02
主分类号
D21D1/02
代理机构
代理人
主权项
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