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发明名称
SYSTEM FOR LOCAL AIR COOLING IN FACE
摘要
申请公布号
UA7451(U)
申请公布日期
2005.06.15
申请号
UA20041210548U
申请日期
2004.12.21
申请人
STATE MAKIIVKA SCIENTIFIC-RESEARCH INSTITUTE FOR OPERATING SAFETY IN MINING
发明人
YAKOVENKO ANATOLII KYRYLOVYCH;MARTYNOV AVINER ANATOLIIOVYCH
分类号
E21F9/00;(IPC1-7):E21F9/00
主分类号
E21F9/00
代理机构
代理人
主权项
地址
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