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发明名称
DRILLING EQUIPMENT ESPECIALLY FOR UNDERGROUND MINES
摘要
申请公布号
CS9000038(A2)
申请公布日期
1991.07.16
申请号
CS19900000038
申请日期
1990.01.03
申请人
PALLA LUBOMIR ING.,CS;WEISS PETR,CS
发明人
PALLA LUBOMIR ING.,CS;WEISS GERHARD,CS;WEISS PETR,CS
分类号
E21B19/08;(IPC1-7):E21C5/00
主分类号
E21B19/08
代理机构
代理人
主权项
地址
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