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发明名称
AIR FILTER
摘要
申请公布号
CA332027(A)
申请公布日期
1933.04.25
申请号
CAD332027
申请日期
申请人
THE INDEPENDENT AIR FILTER COMPANY
发明人
VERNER DAHLMAN
分类号
主分类号
代理机构
代理人
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