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经营范围
发明名称
LIQUID SURFACE VENTILATION ROTOR
摘要
<p>A surface ventilation rotor for adding air to waste water which is to be clarified has two concentric blade sets arranged radially adjacent to each other. A dividing wall is provided between adjacent blade sets.</p>
申请公布号
IL40883(D0)
申请公布日期
1973.01.30
申请号
IL19720040883
申请日期
1972.11.21
申请人
KAELIN J
发明人
分类号
B01F3/04;C02F3/16
主分类号
B01F3/04
代理机构
代理人
主权项
地址
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