BIOLOGICAL SEWAGE TREATMENT METHOD,申请号PL19840251201-传众专利搜索

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发明名称	BIOLOGICAL SEWAGE TREATMENT METHOD
摘要
申请公布号	PL142003(B2)	申请公布日期	1987.09.30
申请号	PL19840251201	申请日期	1984.12.21
申请人		发明人
分类号	C02F;C02F3/00;(IPC1-7):C02F3/00	主分类号	C02F
代理机构		代理人
主权项
地址

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