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发明名称
Improvements in filter papers
摘要
申请公布号
GB859023(A)
申请公布日期
1961.01.18
申请号
GB19580021666
申请日期
1958.07.07
申请人
ETABLISSEMENTS R. SCHNEIDER;BERNARD DUMAS & CIE.;ARMAND JACQUES JULIEN POELMAN;MARC ALBERT GERMAIN
发明人
分类号
B01D39/20
主分类号
B01D39/20
代理机构
代理人
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地址
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