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经营范围
发明名称
Smoke filter for smoking devices
摘要
申请公布号
US2100051(A)
申请公布日期
1937.11.23
申请号
US19350042341
申请日期
1935.09.26
申请人
ENOCH HALLNER
发明人
HALLNER ENOCH
分类号
A24F1/00
主分类号
A24F1/00
代理机构
代理人
主权项
地址
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