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发明名称
FLOCULACAO EM MEIO GRANULAR
摘要
申请公布号
BR7908339(A)
申请公布日期
1981.06.23
申请号
BR19790008339
申请日期
1979.12.19
申请人
SANEPAR
发明人
RICHTER C
分类号
C02F1/52;(IPC1-7):C02F1/52
主分类号
C02F1/52
代理机构
代理人
主权项
地址
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