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发明名称
Cigarette filter holder
摘要
申请公布号
US2830593(A)
申请公布日期
1958.04.15
申请号
US19560556928
申请日期
1956.01.03
申请人
CAMPBELL ROBERT A
发明人
CAMPBELL ROBERT A.
分类号
A24F13/00
主分类号
A24F13/00
代理机构
代理人
主权项
地址
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