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经营范围
发明名称
Improvements relating to paper making and like machinery
摘要
申请公布号
GB486236(A)
申请公布日期
1938.06.01
申请号
GB19370008066
申请日期
1937.03.19
申请人
RALPH CHALINOR HEYS
发明人
分类号
D21F7/02
主分类号
D21F7/02
代理机构
代理人
主权项
地址
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