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发明名称
Filter for cigarettes
摘要
申请公布号
US2941533(A)
申请公布日期
1960.06.21
申请号
US19570689337
申请日期
1957.10.10
申请人
CRAWFORD CHARLES P
发明人
CRAWFORD CHARLES P.
分类号
A24D3/04;B29C35/04
主分类号
A24D3/04
代理机构
代理人
主权项
地址
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