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经营范围
发明名称
Method of bleaching pulp
摘要
申请公布号
US1782800(A)
申请公布日期
1930.11.25
申请号
US19260117974
申请日期
1926.06.23
申请人
THE NORTHWEST PAPER COMPANY
发明人
ANDREWS DENNIS CUSHMAN
分类号
D21C9/10
主分类号
D21C9/10
代理机构
代理人
主权项
地址
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