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经营范围
发明名称
Framework for air filters
摘要
申请公布号
US1898424(A)
申请公布日期
1933.02.21
申请号
US19320603544
申请日期
1932.04.06
申请人
OWENS-ILLINOIS GLASS COMPANY
发明人
COLLINS HOWARD W.
分类号
B01D46/12
主分类号
B01D46/12
代理机构
代理人
主权项
地址
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