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发明名称
Einrichtung zur Ausscheidung der Schwimmstoffe bei Frischwasserklaerbecken
摘要
申请公布号
DE551750(C)
申请公布日期
1932.06.04
申请号
DED551750D
申请日期
1929.12.10
申请人
KARL GRUEBEL
发明人
分类号
C02F3/28
主分类号
C02F3/28
代理机构
代理人
主权项
地址
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