METHOD OF UTILIZING ABANDONED AFTER-CAVING WORKINGS FOR CLARIFICATION OF FILLING MATERIAL CARRYING WATER,申请号PL19850256168-传众专利搜索

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发明名称	METHOD OF UTILIZING ABANDONED AFTER-CAVING WORKINGS FOR CLARIFICATION OF FILLING MATERIAL CARRYING WATER
摘要
申请公布号	PL146618(B1)	申请公布日期	1989.02.28
申请号	PL19850256168	申请日期	1985.11.07
申请人		发明人
分类号	C02F;E21F;E21F16/00;(IPC1-7):E21F16/00	主分类号	C02F
代理机构		代理人
主权项
地址

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