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发明名称
EQUIPMENT FOR BROKEN ORE DRAWING FROM WORKING FACE BY MEANS OF COMPRESSED AIR
摘要
申请公布号
CS266040(B1)
申请公布日期
1989.11.14
申请号
CS19870008364
申请日期
1987.11.20
申请人
BORAN VLASTIMIL ING.,CS;HAVLIK JAROSLAV,CS;VOJKOVSKY OLDRICH,CS
发明人
BORAN VLASTIMIL ING.,CS;HAVLIK JAROSLAV,CS;VOJKOVSKY OLDRICH,CS
分类号
E21F13/06;(IPC1-7):E21F13/06
主分类号
E21F13/06
代理机构
代理人
主权项
地址
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