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经营范围
发明名称
TOBACCO SMOKE FILTER
摘要
申请公布号
US3464423(A)
申请公布日期
1969.09.02
申请号
USD3464423
申请日期
1968.10.25
申请人
STAUFFER CHEM. CO.
发明人
GEORGE I. KLEIN
分类号
A24D3/16;(IPC1-7):A24F7/04;A24F13/06
主分类号
A24D3/16
代理机构
代理人
主权项
地址
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