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经营范围
发明名称
Air filter
摘要
申请公布号
US1828816(A)
申请公布日期
1931.10.27
申请号
US19300475732
申请日期
1930.08.16
申请人
LUTHER JOHNSON
发明人
PIERSON CHARLES U.
分类号
F02M35/026
主分类号
F02M35/026
代理机构
代理人
主权项
地址
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