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经营范围
发明名称
Treatment of tobacco smoke
摘要
申请公布号
US2800908(A)
申请公布日期
1957.07.30
申请号
US19550537580
申请日期
1955.09.29
申请人
SAMUEL BLANK;ZILLESSEN FREDERICK O
发明人
BLANK SAMUEL;ZILLESSEN FREDERICK O.
分类号
A24D3/12
主分类号
A24D3/12
代理机构
代理人
主权项
地址
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