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经营范围
发明名称
Sewage disposal apparatus
摘要
申请公布号
US2291641(A)
申请公布日期
1942.08.04
申请号
US19380188963
申请日期
1938.02.05
申请人
THE JEFFREY MANUFACTURING COMPANY
发明人
LEMMON ALEXIS W.
分类号
B01D21/20
主分类号
B01D21/20
代理机构
代理人
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地址
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