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经营范围
发明名称
Improvements in and connected with filter beds
摘要
申请公布号
GB536922(A)
申请公布日期
1941.05.30
申请号
GB19400003073
申请日期
1940.02.17
申请人
AMERICAN CYANAMID COMPANY
发明人
分类号
B01D35/14
主分类号
B01D35/14
代理机构
代理人
主权项
地址
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