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经营范围
发明名称
Air purifier
摘要
申请公布号
US2065970(A)
申请公布日期
1936.12.29
申请号
US19350056559
申请日期
1935.12.28
申请人
HARTZELL WILLIAM C
发明人
HARTZELL WILLIAM C.
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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