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发明名称
Improvements relating to rotary scraper apparatus for circular sedimentation tanks
摘要
申请公布号
GB828838(A)
申请公布日期
1960.02.24
申请号
GB19560033616
申请日期
1956.11.03
申请人
CYRIL JOHN HARTLEY
发明人
分类号
B01D21/20
主分类号
B01D21/20
代理机构
代理人
主权项
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