SEWAGE TREATMENT PROCESS,申请号PL19880271519-传众专利搜索

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发明名称	SEWAGE TREATMENT PROCESS
摘要
申请公布号	PL155568(B3)	申请公布日期	1991.12.31
申请号	PL19880271519	申请日期	1988.03.29
申请人		发明人
分类号	C02F;C02F1/56;(IPC1-7):C02F1/56	主分类号	C02F
代理机构		代理人
主权项
地址

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