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发明名称
Recovery of diatomaceous earth
摘要
申请公布号
US2946755(A)
申请公布日期
1960.07.26
申请号
US19560613618
申请日期
1956.10.03
申请人
FRANKENHOFF CHARLES A
发明人
FRANKENHOFF CHARLES A.
分类号
B01J20/14;C09C1/30
主分类号
B01J20/14
代理机构
代理人
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