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发明名称
SEWAGE TREATING DEVICE
摘要
申请公布号
JPH02284698(A)
申请公布日期
1990.11.22
申请号
JP19890105683
申请日期
1989.04.25
申请人
HITACHI PLANT ENG & CONSTR CO LTD
发明人
OGAWA AKIHIKO;KOJIMA MASAYUKI
分类号
C02F3/18
主分类号
C02F3/18
代理机构
代理人
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地址
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