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发明名称
Apparatus for purifying air in closed chambers
摘要
申请公布号
US1995191(A)
申请公布日期
1935.03.19
申请号
US19320646581
申请日期
1932.12.10
申请人
ROBERT RUTLEDGE
发明人
RUTLEDGE ROBERT
分类号
F24F3/16
主分类号
F24F3/16
代理机构
代理人
主权项
地址
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