METHOD OF SEPARATING ACTIVE SLUDGE BY FLOTATION UNDER PRESSURE IN BIOLOGICAL TREATMENT PLANTS AND FLOTATION CELL THEREFOR,申请号PL19870265545-传众专利搜索

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发明名称	METHOD OF SEPARATING ACTIVE SLUDGE BY FLOTATION UNDER PRESSURE IN BIOLOGICAL TREATMENT PLANTS AND FLOTATION CELL THEREFOR
摘要
申请公布号	PL148959(B1)	申请公布日期	1989.12.30
申请号	PL19870265545	申请日期	1987.05.07
申请人		发明人
分类号	C02F;C02F1/24;C02F3/00;(IPC1-7):C02F1/24	主分类号	C02F
代理机构		代理人
主权项
地址

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