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发明名称
Improvements in and relating to mechanical filters
摘要
申请公布号
GB915341(A)
申请公布日期
1963.01.09
申请号
GB19590025006
申请日期
1959.07.21
申请人
GRIFFITH MAY
发明人
分类号
B01D25/00;B01D29/11
主分类号
B01D25/00
代理机构
代理人
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