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发明名称
SEWAGE PURIFIER AND ITS FILTER MEDIUM
摘要
申请公布号
JPH05169055(A)
申请公布日期
1993.07.09
申请号
JP19910356040
申请日期
1991.12.20
申请人
HIRATA YOKO
发明人
HIRATA YOKO
分类号
C02F1/28
主分类号
C02F1/28
代理机构
代理人
主权项
地址
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