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发明名称
INTERNAL SPRAYING DEVICE OF MINING MACHINES, PARTICULARLY OF DRILLING MACHINES
摘要
申请公布号
CZ9301029(A3)
申请公布日期
1994.12.15
申请号
CZ19930001029
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):E21C35/22
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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