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发明名称
Improvements in and relating to filters
摘要
申请公布号
GB1094658(A)
申请公布日期
1967.12.13
申请号
GB19640026219
申请日期
1964.06.24
申请人
MAURICE DAVIS
发明人
分类号
B01D46/24;F02M35/024
主分类号
B01D46/24
代理机构
代理人
主权项
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