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经营范围
发明名称
Process for purification of potable and polluted waters
摘要
申请公布号
US2029964(A)
申请公布日期
1936.02.04
申请号
US19350014185
申请日期
1935.04.01
申请人
CHARLES H. LEWIS
发明人
URBAIN OLIVER M.;STEMEN WILLIAM R.
分类号
C02F1/00;C02F1/28
主分类号
C02F1/00
代理机构
代理人
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地址
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