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发明名称
Apparatus for the aeration of water for purification purposes
摘要
申请公布号
US2669440(A)
申请公布日期
1954.02.16
申请号
US19510245815
申请日期
1951.09.10
申请人
N. V. LEIDSCHE DUINWATER MAATSCHAPPIJ
发明人
LINDENBERGH PIETER CORNELIS
分类号
C02F1/64
主分类号
C02F1/64
代理机构
代理人
主权项
地址
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