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发明名称
Process for treating naturally active earth and product thereof
摘要
申请公布号
US2079854(A)
申请公布日期
1937.05.11
申请号
US19360098232
申请日期
1936.08.27
申请人
FLORIDIN COMPANY
发明人
HARTSHORNE FRANK W. K.
分类号
B01J20/12
主分类号
B01J20/12
代理机构
代理人
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