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发明名称
INSTALATIE DE PERFORARE ROTATIVA
摘要
申请公布号
RO75997(A2)
申请公布日期
1981.03.10
申请号
RO19790098559
申请日期
1979.08.31
申请人
SALINA OCNA DEJ,RO
发明人
RADA,GHEORGHE,RO
分类号
(IPC1-7):E21C1/00
主分类号
(IPC1-7):E21C1/00
代理机构
代理人
主权项
地址
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