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发明名称
Improvements relating to the treatment of water
摘要
申请公布号
GB348654(A)
申请公布日期
1931.05.15
申请号
GB19300005164
申请日期
1930.02.15
申请人
FREDERICK DENISON CAMPBELL ALLEN
发明人
分类号
G05D11/13
主分类号
G05D11/13
代理机构
代理人
主权项
地址
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