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发明名称
Drainage element for paper machines
摘要
申请公布号
US2928465(A)
申请公布日期
1960.03.15
申请号
US19590809180
申请日期
1959.04.27
申请人
THE ONTARIO PAPER COMPANY LIMITED
发明人
WRIST PETER E.
分类号
D21F1/48;D21F1/52
主分类号
D21F1/48
代理机构
代理人
主权项
地址
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