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发明名称
Improvements in screening and filtering apparatus
摘要
申请公布号
GB367144(A)
申请公布日期
1932.02.18
申请号
GB19310002718
申请日期
1931.01.28
申请人
FRANCIS WHITWELL BRACKETT
发明人
分类号
B01D33/333
主分类号
B01D33/333
代理机构
代理人
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