Method for treating and purifying sewage,申请号US19320630576-传众专利搜索

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发明名称	Method for treating and purifying sewage
摘要
申请公布号	US1997302(A)	申请公布日期	1935.04.09
申请号	US19320630576	申请日期	1932.08.26
申请人	H. A. BRASSERT & CO.	发明人	KOLLER MARGARET M.;MILLER MAURICE L.
分类号	C02F1/72	主分类号	C02F1/72
代理机构		代理人
主权项
地址

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