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发明名称
INJECTING APPARATUS FOR INJECTION OF A MEDIUM INTO A ROCK MASS
摘要
申请公布号
PL341370(A1)
申请公布日期
2002.01.14
申请号
PL20000341370
申请日期
2000.07.11
申请人
BARCZYK GRZEGORZ
发明人
BARCZYK GRZEGORZ
分类号
E21B33/12;(IPC1-7):E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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