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发明名称
Divided bed and cleaner
摘要
申请公布号
US2292861(A)
申请公布日期
1942.08.11
申请号
US19390294053
申请日期
1939.09.09
申请人
CHARLES E. FRASER
发明人
ASCH ABRAHAM B.
分类号
B01D35/00
主分类号
B01D35/00
代理机构
代理人
主权项
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