FOUR-PILLAR STEEL OVER-MINE HEADWORK,申请号SU19731950696-传众专利搜索

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发明名称	FOUR-PILLAR STEEL OVER-MINE HEADWORK
摘要
申请公布号	SU564401(A1)	申请公布日期	1977.07.05
申请号	SU19731950696	申请日期	1973.07.16
申请人	SPETSIALIZIROVANNOE SHAKHTOMONTAZHNOE U KOMBINATA "KARAGANDAUGOL"	发明人	CHURKIN VLADIMIR G,SU;NEGRUTSKIJ BORIS F,SU
分类号	E04H12/26;(IPC1-7):E04H12/26	主分类号	E04H12/26
代理机构		代理人
主权项
地址

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