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发明名称
Process of treating paper
摘要
申请公布号
US2107343(A)
申请公布日期
1938.02.08
申请号
US19360074341
申请日期
1936.04.14
申请人
THE UNION SELLING COMPANY
发明人
ROCKWOOD CHESTER D.;OSMUN KENNETH L.
分类号
D21H17/06
主分类号
D21H17/06
代理机构
代理人
主权项
地址
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