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发明名称
DRILLING INSTALLATION
摘要
申请公布号
RO103726(B1)
申请公布日期
1993.05.20
申请号
RO19890138262
申请日期
1989.02.15
申请人
ANTREPRIZA CONSTRUCTII MONTAJ NR. 1, REGIONALA CAI FERATE, IASI
发明人
CHIRVASIE GHEORGHE;DIMACHE PAVEL;IUREA VASILE
分类号
E21B4/18;(IPC1-7):E21B4/18
主分类号
E21B4/18
代理机构
代理人
主权项
地址
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