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发明名称
Sewage treating method and apparatus
摘要
申请公布号
US2270869(A)
申请公布日期
1942.01.27
申请号
US19400314520
申请日期
1940.01.18
申请人
EMULSIONS PROCESS CORPORATION
发明人
DITTO MARVIN W.;LEFTWICH ROBERT F.
分类号
C02F1/72;C02F3/12;C02F3/26
主分类号
C02F1/72
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