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经营范围
发明名称
Air flow seal for air filter having an expansible-contractible air cleaning web
摘要
申请公布号
US2881861(A)
申请公布日期
1959.04.14
申请号
US19570640715
申请日期
1957.02.18
申请人
AMERICAN AIR FILTER COMPANY, INC.
发明人
DYER IVAN W.
分类号
B01D46/18
主分类号
B01D46/18
代理机构
代理人
主权项
地址
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