DEVICE FOR CLOSING THE MOUTH OF MINE SHAFT,申请号SU19874279297-传众专利搜索

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发明名称	DEVICE FOR CLOSING THE MOUTH OF MINE SHAFT
摘要
申请公布号	SU1463926(A1)	申请公布日期	1989.03.07
申请号	SU19874279297	申请日期	1987.07.07
申请人	URALSKIJ GI PO PROEKTIROVANIYU PREDPRIYATIJ GORNORUDNOJ PROMYSHLENNOSTI	发明人	ZADORIN ALEKSANDR N,SU;VORONCHIKHINA TATYANA S,SU;FEDZYUSHKO GRIGORIJ V,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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