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发明名称
EQUIPMENT SECURING UNDESIRABLE GO-OFF OF COAL-GETTING MACHINE
摘要
申请公布号
CS264612(B1)
申请公布日期
1989.08.14
申请号
CS19870002136
申请日期
1987.03.27
申请人
SLADEK MILAN ING.,CS;KORBEL VACLAV,CS;NOVAK RICHARD ING.,CS
发明人
SLADEK MILAN ING.,CS;KORBEL VACLAV,CS;NOVAK RICHARD ING.,CS
分类号
E21C29/20;(IPC1-7):E21C29/20
主分类号
E21C29/20
代理机构
代理人
主权项
地址
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