METHOD FOR MINING OUTBURST HAZARDOUS POTASSIUM SEAMS,申请号SU19894750962-传众专利搜索

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发明名称	METHOD FOR MINING OUTBURST HAZARDOUS POTASSIUM SEAMS
摘要
申请公布号	SU1677308(A1)	申请公布日期	1991.09.15
申请号	SU19894750962	申请日期	1989.10.19
申请人	PROIZV OB "BELORUSKALIJ" IM.50-LETIYA SSSR	发明人	KALUGIN PETR A,SU;STETOJ ANATOLIJ YU,SU;TUGAJ VIKTOR I,SU;KUZMIN ANATOLIJ A,SU;VEREMEJCHIK KONSTANTIN I,SU
分类号	E21C41/20;E21F5/00	主分类号	E21C41/20
代理机构		代理人
主权项
地址

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