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发明名称
WERKWIJZE VOOR HET BEHANDELEN VAN RIOOLWATER.
摘要
申请公布号
NL7703782(A)
申请公布日期
1977.10.11
申请号
NL19770003782
申请日期
1977.04.06
申请人
BOC INTERNATIONAL LIMITED TE LONDEN.
发明人
分类号
C02F3/12;C02F3/20;C02F3/26;(IPC1-7):02C1/02
主分类号
C02F3/12
代理机构
代理人
主权项
地址
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