BIOLOGICAL SEWAGE-TREATMENT PLANT,申请号PL19800228762-传众专利搜索

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发明名称	BIOLOGICAL SEWAGE-TREATMENT PLANT
摘要
申请公布号	PL123262(B2)	申请公布日期	1982.10.30
申请号	PL19800228762	申请日期	1980.12.23
申请人		发明人
分类号	C02F;C02F3/06;(IPC1-7):02F3/06	主分类号	C02F
代理机构		代理人
主权项
地址

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