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发明名称
Method of sewage treatment
摘要
申请公布号
US2975122(A)
申请公布日期
1961.03.14
申请号
US19560628049
申请日期
1956.12.13
申请人
LABOON JOHN F
发明人
LABOON JOHN F.
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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