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经营范围
发明名称
Sludge removal means for drying beds of sewage plants
摘要
申请公布号
US3362039(A)
申请公布日期
1968.01.09
申请号
US19650471899
申请日期
1965.07.14
申请人
ALBERT BAHR
发明人
BAHR ALBERT
分类号
B01D21/04;B01D21/18;C02F11/00;C02F11/12;C02F11/16
主分类号
B01D21/04
代理机构
代理人
主权项
地址
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