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发明名称
Water purification
摘要
申请公布号
US2054798(A)
申请公布日期
1936.09.22
申请号
US19320626340
申请日期
1932.07.30
申请人
GIBSON GEORGE H
发明人
GIBSON GEORGE H.
分类号
C02F1/68
主分类号
C02F1/68
代理机构
代理人
主权项
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