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发明名称
Drilling rig hydraulic system
摘要
申请公布号
PL207464(B1)
申请公布日期
2010.12.31
申请号
PL20060381121
申请日期
2006.11.22
申请人
GULAN JAN ZAK&LSTROK,AD &SACUTE,LUSARSKO-MECHANICZNY GULMECH
发明人
GULAN JAN;HALWA MAREK;PRAG&LSTROK,OWSKI PIOTR
分类号
E21B4/02;B25D9/00;F15B11/20
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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