METHOD OF BOREHOLE HYDRAULIC EXCAVATION OF MINERALS,申请号SU19772459236-传众专利搜索

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发明名称	METHOD OF BOREHOLE HYDRAULIC EXCAVATION OF MINERALS
摘要
申请公布号	SU630421(A1)	申请公布日期	1978.10.30
申请号	SU19772459236	申请日期	1977.03.09
申请人	OPLETIN VIKTOR A,SU;MOSEV ALEKSANDR F,SU;TEDEEV MIKHAIL N,SU;KOVALENKO EVGENIJ S,SU	发明人	OPLETIN VIKTOR A,SU;MOSEV ALEKSANDR F,SU;TEDEEV MIKHAIL N,SU;KOVALENKO EVGENIJ S,SU
分类号	E21C45/00;E21B43/28;(IPC1-7):E21C45/00;E21C41/04	主分类号	E21C45/00
代理机构		代理人
主权项
地址

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