BIOLOGICAL SEWAGE TREATMENT PLANT,申请号PL19870268566-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	PL155120(B1)	申请公布日期	1991.10.31
申请号	PL19870268566	申请日期	1987.11.03
申请人		发明人
分类号	C02F;C02F3/12;(IPC1-7):C02F3/12	主分类号	C02F
代理机构		代理人
主权项
地址

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