FILTER FOR MINING USEFUL FUIDS THROUGH BORE-HOLES,申请号PL19870264007-传众专利搜索

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发明名称	FILTER FOR MINING USEFUL FUIDS THROUGH BORE-HOLES
摘要
申请公布号	PL264007(A2)	申请公布日期	1987.08.24
申请号	PL19870264007	申请日期	1987.02.06
申请人		发明人
分类号	B01D;E21B43/08;E21B43/28;(IPC1-7):B01D/	主分类号	B01D
代理机构		代理人
主权项
地址

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