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发明名称
Improvements relating to filters for air and other gases
摘要
申请公布号
GB342455(A)
申请公布日期
1931.02.05
申请号
GB19290037755
申请日期
1929.12.09
申请人
A. SCHIRP G.M.B.H.
发明人
分类号
B01D46/18
主分类号
B01D46/18
代理机构
代理人
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