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发明名称
Concentric smoking filter having discrete tow and web filter media
摘要
申请公布号
EP0474940(B2)
申请公布日期
1999.10.06
申请号
EP19900313555
申请日期
1990.12.13
申请人
PHILIP MORRIS PRODUCTS INC.
发明人
ARTERBERY, CYNTHIA W.;CALLAHAM, W. TIMOTHY;KERITSIS, GUS D.;WHITE, MORRIS F., JR.
分类号
A24D3/10;A24D3/04;A24D3/06;A24D3/08;A24D3/16;B01D39/16;(IPC1-7):A24D3/04
主分类号
A24D3/10
代理机构
代理人
主权项
地址
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