METHOD OF CONTROLLING DUSTINESS OF AIR,申请号PL19810233236-传众专利搜索

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发明名称	METHOD OF CONTROLLING DUSTINESS OF AIR
摘要
申请公布号	PL134128(B1)	申请公布日期	1985.07.31
申请号	PL19810233236	申请日期	1981.09.24
申请人		发明人
分类号	B01D47/06;E21F;E21F5/00;(IPC1-7):E21F5/00	主分类号	B01D47/06
代理机构		代理人
主权项
地址

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