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摘要
申请公布号
US2392354(A)
申请公布日期
1946.01.08
申请号
US19420462783
申请日期
1942.10.21
申请人
SAMUEL ALSOP
发明人
ALSOP SAMUEL
分类号
B01D29/41
主分类号
B01D29/41
代理机构
代理人
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