Air filter with integral frame,申请号US19580723897-传众专利搜索

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发明名称	Air filter with integral frame
摘要
申请公布号	US3017698(A)	申请公布日期	1962.01.23
申请号	US19580723897	申请日期	1958.03.25
申请人	RESEARCH PRODUCTS CORPORATION	发明人	HAMBRECHT ALBERT H.;BARTELS FRED L.;ISENRING LARRIE L.;ROWE CARL B.
分类号	B01D39/12	主分类号	B01D39/12
代理机构		代理人
主权项
地址

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