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发明名称
Improvements in paper manufacture
摘要
申请公布号
GB543972(A)
申请公布日期
1942.03.23
申请号
GB19400010400
申请日期
1940.06.14
申请人
FREDERICK GEORGE LUCAS BECKER
发明人
分类号
主分类号
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代理人
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地址
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