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发明名称
Papermaking apparatus
摘要
申请公布号
US2321830(A)
申请公布日期
1943.06.15
申请号
US19400315267
申请日期
1940.01.23
申请人
THE SANDY HILL IRON & BRASS WORKS
发明人
LEESON WILLIAM M.
分类号
D21F9/04
主分类号
D21F9/04
代理机构
代理人
主权项
地址
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