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发明名称
IMPROVED CIGARETTE FILTER
摘要
申请公布号
GB2089641(B)
申请公布日期
1984.12.12
申请号
GB19810038003
申请日期
1981.12.16
申请人
BROWN & WILLIAMSON TOBACCO CORP
发明人
分类号
A24D3/04;(IPC1-7):A24D3/04
主分类号
A24D3/04
代理机构
代理人
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