METHOD OF AIRING LONG STOPING FACES,申请号SU19813303970-传众专利搜索

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发明名称	METHOD OF AIRING LONG STOPING FACES
摘要
申请公布号	SU976098(A1)	申请公布日期	1982.11.23
申请号	SU19813303970	申请日期	1981.03.27
申请人	KISELEV VASILIJ G,SU	发明人	KISELEV VASILIJ G,SU
分类号	E21F1/00;(IPC1-7):E21F1/00	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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