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发明名称
SISTEMA PER FAR SCENDERE LE ATTREZZATURE DI PROFONDITA' NEI POZZI DI IDROCARBURI
摘要
申请公布号
ITBO960591(A1)
申请公布日期
1998.05.19
申请号
IT1996BO00591
申请日期
1996.11.19
申请人
TOVAR DE PABLOS JUAN JOSE'
发明人
TOVAR DE PABLOS JUAN JOSE
分类号
E21B17/10;E21B33/122
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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