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发明名称
DIAFRAMMA DI CHIUSURA PERFEZIONATO PER GAMBA DI PIATTAFORMA MARINA.
摘要
申请公布号
IT8021898(D0)
申请公布日期
1980.05.08
申请号
IT19800021898
申请日期
1980.05.08
申请人
HALLIBURTON CO.
发明人
BOBBY LEE SULLAWAY
分类号
E02B17/00;(IPC1-7):E02B/
主分类号
E02B17/00
代理机构
代理人
主权项
地址
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