POROUS FILTERING ARTICLE,申请号CAD347558-传众专利搜索

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发明名称	POROUS FILTERING ARTICLE
摘要
申请公布号	CA347558(A)	申请公布日期	1935.01.15
申请号	CAD347558	申请日期
申请人	THE NORTON COMPANY	发明人	WALLACE L. HOWE
分类号		主分类号
代理机构		代理人
主权项
地址

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