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经营范围
发明名称
Purified fiber
摘要
申请公布号
US1757768(A)
申请公布日期
1930.05.06
申请号
US19260084863
申请日期
1926.01.30
申请人
THE NORTHWEST PAPER COMPANY
发明人
GORTNER ROSS AIKEN;HOFFMAN WALTER FRED
分类号
D21C9/08
主分类号
D21C9/08
代理机构
代理人
主权项
地址
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