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发明名称
HYDRAULIC INSTALLATION FOR DRILLING EQUIPMENT OPERATION AND CONTROL
摘要
申请公布号
RO96526(B1)
申请公布日期
1989.03.02
申请号
RO19860125636
申请日期
1986.11.28
申请人
INTREPRINDEREA MECANICA
发明人
VASILOIU DIMOFTEI;NICOLAE SERGIU;MATEI A. ION
分类号
E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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