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经营范围
发明名称
Activated carbon
摘要
申请公布号
US2003277(A)
申请公布日期
1935.05.28
申请号
US19330683380
申请日期
1933.08.02
申请人
THE CLEVELAND CLIFFS IRON COMPANY
发明人
OLSON EDGAR T.
分类号
C01B31/10
主分类号
C01B31/10
代理机构
代理人
主权项
地址
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