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发明名称
Air filter
摘要
申请公布号
US1787135(A)
申请公布日期
1930.12.30
申请号
US19290357040
申请日期
1929.04.22
申请人
BARNES EUGENE L
发明人
BARNES EUGENE L.
分类号
F02M35/022
主分类号
F02M35/022
代理机构
代理人
主权项
地址
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