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发明名称
Sewage treatment
摘要
申请公布号
US2293028(A)
申请公布日期
1942.08.18
申请号
US19400345717
申请日期
1940.07.16
申请人
THE DORR COMPANY, INC.
发明人
FISCHER ANTHONY J.
分类号
C02F11/12
主分类号
C02F11/12
代理机构
代理人
主权项
地址
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