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发明名称
Air filters
摘要
申请公布号
US2980207(A)
申请公布日期
1961.04.18
申请号
US19580761047
申请日期
1958.09.15
申请人
HENRY SIMON LIMITED
发明人
ALLEN ROBERT W.
分类号
B01D46/04
主分类号
B01D46/04
代理机构
代理人
主权项
地址
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