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发明名称
Improvements in and relating to the manufacture of filter elements
摘要
申请公布号
GB1140203(A)
申请公布日期
1969.01.15
申请号
GB19650019797
申请日期
1965.05.11
申请人
COURTAULDS LIMITED
发明人
STEVENSON PETER ALAN
分类号
A24D3/10;B01D39/18
主分类号
A24D3/10
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代理人
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