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经营范围
发明名称
Smoking equipment
摘要
申请公布号
US1846460(A)
申请公布日期
1932.02.23
申请号
US19300451763
申请日期
1930.05.12
申请人
FRANK SMELSER
发明人
SMELSER FRANK
分类号
A24F7/02
主分类号
A24F7/02
代理机构
代理人
主权项
地址
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