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发明名称
Apparatus for treating sewage
摘要
申请公布号
US2403695(A)
申请公布日期
1946.07.09
申请号
US19410421531
申请日期
1941.12.04
申请人
THE AMERICAN WELL WORKS
发明人
WALKER JAMES D.
分类号
C02F3/04
主分类号
C02F3/04
代理机构
代理人
主权项
地址
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