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发明名称
PURIFICATION OF DRINKING WATER
摘要
申请公布号
HK73991(A)
申请公布日期
1991.09.20
申请号
HK19910000739
申请日期
1991.09.12
申请人
NOBUO SOMEYA
发明人
NOBUO SOMEYA
分类号
C02F1/50;C02F1/66;(IPC1-7):C02F1/66;A01N59/00
主分类号
C02F1/50
代理机构
代理人
主权项
地址
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