METHOD OF BIOLOGICAL SEWAGE TREATMENT,申请号PL19800223449-传众专利搜索

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发明名称	METHOD OF BIOLOGICAL SEWAGE TREATMENT
摘要
申请公布号	PL129231(B3)	申请公布日期	1984.04.30
申请号	PL19800223449	申请日期	1980.04.14
申请人		发明人
分类号	C02F;C02F3/12;(IPC1-7):02F3/12	主分类号	C02F
代理机构		代理人
主权项
地址

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