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发明名称
CLEANING SUBPRESSURE DEVICE PART.FOR CLEANING THE MINE REFUSE DITCHES
摘要
申请公布号
CS210072(B1)
申请公布日期
1982.01.29
申请号
CS19790004468
申请日期
1979.06.28
申请人
HAVRLIK,VLADISLAV,CS;KUCHARIK,EMIL,CS
发明人
HAVRLIK,VLADISLAV,CS;KUCHARIK,EMIL,CS
分类号
E21F16/00;(IPC1-7):E21F16/00
主分类号
E21F16/00
代理机构
代理人
主权项
地址
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