Secondary treatment of waste water,申请号US19630308949-传众专利搜索

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发明名称	Secondary treatment of waste water
摘要
申请公布号	US3231490(A)	申请公布日期	1966.01.25
申请号	US19630308949	申请日期	1963.09.16
申请人	THE DOW CHEMICAL COMPANY	发明人	FRY KEITH
分类号	C02F3/10	主分类号	C02F3/10
代理机构		代理人
主权项
地址

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