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经营范围
发明名称
Internal fluid-spraying device of mine machines, particularly of drilling machines
摘要
申请公布号
CZ2288(U1)
申请公布日期
1994.10.19
申请号
CZ19940002595U
申请日期
1993.05.31
申请人
MICANEK JIRI ING.
发明人
MICANEK JIRI ING.
分类号
E21C35/22;E21F5/02;(IPC1-7):E21C035/22;E21F005/02
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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