COWLING FOR MINE SHAFT BUNTONS,申请号SU19894632222-传众专利搜索

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发明名称	COWLING FOR MINE SHAFT BUNTONS
摘要
申请公布号	SU1615371(A1)	申请公布日期	1990.12.23
申请号	SU19894632222	申请日期	1989.01.04
申请人	DN GORNYJ I IM.ARTEMA	发明人	KIRIN ROMAN S,SU
分类号	E21D7/00	主分类号	E21D7/00
代理机构		代理人
主权项
地址

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