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经营范围
发明名称
Process of digesting pulp and apparatus therefor
摘要
申请公布号
US1905731(A)
申请公布日期
1933.04.25
申请号
US19290360341
申请日期
1929.05.04
申请人
MCKEE RALPH H
发明人
MCKEE RALPH H.
分类号
D21C7/10
主分类号
D21C7/10
代理机构
代理人
主权项
地址
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