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经营范围
发明名称
Improvements in or relating to filters and their manufacture
摘要
申请公布号
GB1097917(A)
申请公布日期
1968.01.03
申请号
GB19650048126
申请日期
1965.11.12
申请人
DENNIS ALBERT GEORGE MARSHALL
发明人
分类号
B01D29/01;B01D46/10
主分类号
B01D29/01
代理机构
代理人
主权项
地址
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