A PROCESS OF PREVENTING AND/OR LIQUIDATING WATER ERUPTIONS OCCURRING AT THE EXPLOITATION OF SULPHUR BY THE METHOD OF UNDERGROUND SMELTING,申请号PL19750185341-传众专利搜索

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发明名称	A PROCESS OF PREVENTING AND/OR LIQUIDATING WATER ERUPTIONS OCCURRING AT THE EXPLOITATION OF SULPHUR BY THE METHOD OF UNDERGROUND SMELTING
摘要
申请公布号	PL102126(B1)	申请公布日期	1979.03.31
申请号	PL19750185341	申请日期	1975.12.06
申请人		发明人
分类号	E21B43/18;(IPC1-7):E21B43/18	主分类号	E21B43/18
代理机构		代理人
主权项
地址

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