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发明名称
PRE-FORMA TUBULAR,DISPOSITIVO E PROCESSO PARA REVESTIR UM POCO DE PERFURACAO,PROCESSO PARA COLOCAR EM FUNCIONAMENTO O DISPOSITIVO E DISPOSITIVO PARA FORMAR IN SITU UMA SECAO DE TUBO A PARTIR DE UMA PRE-FORMA
摘要
申请公布号
BR9106465(A)
申请公布日期
1993.05.18
申请号
BR1991PI06465
申请日期
1991.05.21
申请人
PHILIPPE BOBILEIAU
发明人
PHILIPPE BOBILEIAU
分类号
B29C63/34;E21B17/00;E21B33/127;E21B33/14;E21B43/10;(IPC1-7):E21B17/00
主分类号
B29C63/34
代理机构
代理人
主权项
地址
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