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发明名称
PROCEDEU SI DISPOZITIV PENTRU REPARAREA UNUI CAP AL UNEI COLOANE PIERDUTE SAU PENTRU INTREGIREA UNEI COLOANE DE BURLANE CAZUTA INTR-O GAURA FORATA
摘要
申请公布号
RO83583(A2)
申请公布日期
1984.04.02
申请号
RO19780095814
申请日期
1978.12.04
申请人
VOICU,VASILE,RO
发明人
VOICU,VASILE,RO
分类号
E21B29/10;(IPC1-7):E21B29/10
主分类号
E21B29/10
代理机构
代理人
主权项
地址
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