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发明名称
Sewage disposal
摘要
申请公布号
US2225437(A)
申请公布日期
1940.12.17
申请号
US19350041751
申请日期
1935.09.23
申请人
ADVANCE ENGINEERING COMPANY
发明人
NORDELL CARL H.
分类号
C02F3/12
主分类号
C02F3/12
代理机构
代理人
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