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发明名称
PRETREATMENT OF RAW WATER
摘要
申请公布号
JPH0739881(A)
申请公布日期
1995.02.10
申请号
JP19930185677
申请日期
1993.07.28
申请人
NEC KANSAI LTD
发明人
YOKOYAMA MASAKI
分类号
C02F1/42;C02F1/44;C02F1/48;(IPC1-7):C02F1/48
主分类号
C02F1/42
代理机构
代理人
主权项
地址
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