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发明名称
Suction roll construction
摘要
申请公布号
US2969837(A)
申请公布日期
1961.01.31
申请号
US19580741114
申请日期
1958.06.10
申请人
LAYTON-GREENFIELD, INC.
发明人
REYNAR JOHN H.
分类号
D21F3/10
主分类号
D21F3/10
代理机构
代理人
主权项
地址
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