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发明名称
AIR CLEANING APPARATUS
摘要
申请公布号
CA369523(A)
申请公布日期
1937.10.26
申请号
CAD369523
申请日期
申请人
THE UNITED AIR CLEANER CO.
发明人
THEODORE W. HALLERBERG
分类号
主分类号
代理机构
代理人
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