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发明名称
Improvements in papermaking and the like
摘要
申请公布号
GB802820(A)
申请公布日期
1958.10.15
申请号
GB19550026259
申请日期
1955.09.14
申请人
WILLIAM COLLEY
发明人
分类号
D21H17/21;D21H17/35;D21H17/66;D21H23/16
主分类号
D21H17/21
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