METHOD OF FILLING-UP EXCAVATED SPACE IN CHAMBER MINING OF GENTLY-SLOPING POTASSIUM BEDS,申请号SU19853843927-传众专利搜索

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发明名称	METHOD OF FILLING-UP EXCAVATED SPACE IN CHAMBER MINING OF GENTLY-SLOPING POTASSIUM BEDS
摘要
申请公布号	SU1244354(A1)	申请公布日期	1986.07.15
申请号	SU19853843927	申请日期	1985.01.17
申请人	URALSKIJ VNI PI GALURGII	发明人	BORZAKOVSKIJ BORIS A,SU;KUDRYAVTSEV VIKTOR F,SU
分类号	E21F15/00	主分类号	E21F15/00
代理机构		代理人
主权项
地址

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