METHOD OF LOCATING COLLECTED BLAST-FURNACE OR SIMILAR FLUE DUST IN ABONDONED MINE WORKINGS,申请号PL19870265650-传众专利搜索

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发明名称	METHOD OF LOCATING COLLECTED BLAST-FURNACE OR SIMILAR FLUE DUST IN ABONDONED MINE WORKINGS
摘要
申请公布号	PL155416(B1)	申请公布日期	1991.11.29
申请号	PL19870265650	申请日期	1987.05.11
申请人		发明人
分类号	E21F;E21F15/08;(IPC1-7):E21F15/08	主分类号	E21F
代理机构		代理人
主权项
地址

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