METHOD OF WORKING COAL FORMATIONS UNDER WATER BODIES,申请号SU19904812494-传众专利搜索

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发明名称	METHOD OF WORKING COAL FORMATIONS UNDER WATER BODIES
摘要
申请公布号	SU1710749(A1)	申请公布日期	1992.02.07
申请号	SU19904812494	申请日期	1990.01.30
申请人	KALENTEVA LIDIYA G,SU;BARSUKOV IVAN V,SU;GOLOTVIN ALEKSEJ D,SU	发明人	KALENTEVA LIDIYA G,SU;BARSUKOV IVAN V,SU;GOLOTVIN ALEKSEJ D,SU
分类号	E21C41/18	主分类号	E21C41/18
代理机构		代理人
主权项
地址

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