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发明名称
Improvements in apparatus for filtering fluids or sifting solid materials
摘要
申请公布号
GB532545(A)
申请公布日期
1941.01.27
申请号
GB19390024766
申请日期
1939.08.29
申请人
UNITED STATES RUBBER COMPANY
发明人
分类号
B04B7/18
主分类号
B04B7/18
代理机构
代理人
主权项
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