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经营范围
发明名称
Chemical pulping process
摘要
申请公布号
US2065396(A)
申请公布日期
1936.12.22
申请号
US19360071679
申请日期
1936.03.30
申请人
BROWN COMPANY
发明人
RICHTER GEORGE A.
分类号
D21C3/26
主分类号
D21C3/26
代理机构
代理人
主权项
地址
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