METHOD OF MINING STEEP MINERAL SEAMS OF IRREGULAR BEDDING,申请号SU19904877667-传众专利搜索

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发明名称	METHOD OF MINING STEEP MINERAL SEAMS OF IRREGULAR BEDDING
摘要
申请公布号	SU1751328(A1)	申请公布日期	1992.07.30
申请号	SU19904877667	申请日期	1990.08.13
申请人	BERDYUGIN IGOR V,SU;KUKHARENKO EVGENIJ V,SU	发明人	BERDYUGIN IGOR V,SU;KUKHARENKO EVGENIJ V,SU
分类号	E21C41/00	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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