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经营范围
发明名称
Cigarette and cigar quencher
摘要
申请公布号
US2248873(A)
申请公布日期
1941.07.08
申请号
US19390274457
申请日期
1939.05.18
申请人
HUMMEL WILLIAM E
发明人
HUMMEL WILLIAM E.
分类号
A24F19/14
主分类号
A24F19/14
代理机构
代理人
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