INSTALLATION FOR DRILLING MINE SHAFTS,申请号SU19843792604-传众专利搜索

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发明名称	INSTALLATION FOR DRILLING MINE SHAFTS
摘要
申请公布号	SU1498398(A3)	申请公布日期	1989.07.30
申请号	SU19843792604	申请日期	1984.09.25
申请人	KHARRISON VESTERN CORP (FIRMA)	发明人	LARRI LINN SNAJDER,US
分类号	E21D1/06	主分类号	E21D1/06
代理机构		代理人
主权项
地址

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