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发明名称
TOBACCO SMOKE FILTERS
摘要
申请公布号
US3470883(A)
申请公布日期
1969.10.07
申请号
USD3470883
申请日期
1968.08.29
申请人
NATIONAL PATENT DEV. CORP.
发明人
THOMAS H. SHEPHERD;FRANCIS E. GOULD
分类号
A24D3/06;A24D3/08;(IPC1-7):A24D1/06
主分类号
A24D3/06
代理机构
代理人
主权项
地址
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