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发明名称
Smoke-filtering device for tobacco-pipes, cigar-holders and cigarette-holders
摘要
申请公布号
GB661464(A)
申请公布日期
1951.11.21
申请号
GB19490003773
申请日期
1949.02.11
申请人
ERNEST FERON BRUYERE
发明人
分类号
A24F7/04
主分类号
A24F7/04
代理机构
代理人
主权项
地址
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