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发明名称
CONTROLLING DEVICE OF AERATING DEPTH AT FILTRATION BASIN
摘要
申请公布号
JPS57194012(A)
申请公布日期
1982.11.29
申请号
JP19810078122
申请日期
1981.05.25
申请人
HITACHI SEISAKUSHO KK;HITACHI ENGINEERING KK
发明人
SUZUKI NORIHISA;KASHIWAGI MASAHIKO;UMEHARA KOUJI;KATORI TAKASHI
分类号
B01D24/46
主分类号
B01D24/46
代理机构
代理人
主权项
地址
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