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发明名称
ISOLADOR DE VACUO
摘要
申请公布号
BR8404413(A)
申请公布日期
1986.04.08
申请号
BR1984PI04413
申请日期
1984.08.31
申请人
LEON JIMENEZ MONZON
发明人
LEON JIMENEZ MONZON
分类号
E21B43/00;(IPC1-7):E21B43/00
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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