Filtering element and the art of producing the same,申请号US19340708842-传众专利搜索

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发明名称	Filtering element and the art of producing the same
摘要
申请公布号	US2061850(A)	申请公布日期	1936.11.24
申请号	US19340708842	申请日期	1934.01.29
申请人	THE WESTERN STATES MACHINE COMPANY	发明人	ROBERTS EUGENE
分类号	B01D39/12;B07B1/46	主分类号	B01D39/12
代理机构		代理人
主权项
地址

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