Air filter and method of making the same,申请号US19320645024-传众专利搜索

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发明名称	Air filter and method of making the same
摘要
申请公布号	US2047634(A)	申请公布日期	1936.07.14
申请号	US19320645024	申请日期	1932.11.30
申请人		发明人
分类号	B01D39/20;F02M35/024	主分类号	B01D39/20
代理机构		代理人
主权项
地址

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