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经营范围
发明名称
Tobacco smoke filter
摘要
申请公布号
US3251365(A)
申请公布日期
1966.05.17
申请号
US19630262653
申请日期
1963.03.04
申请人
KEITH II CHARLES H;BATES JR WILLIAM W
发明人
II CHARLES H. KEITH;JR. WILLIAM W. BATES,
分类号
A24D3/14;A24D3/16;B01J20/00;B01J20/28;C01B31/12;C01B31/14
主分类号
A24D3/14
代理机构
代理人
主权项
地址
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