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发明名称
Appareil de manutention des colonnes de tubes
摘要
申请公布号
FR1262768(A)
申请公布日期
1961.06.05
申请号
FR19600827572
申请日期
1960.05.18
申请人
DRESSER INDUSTRIES, INC.
发明人
分类号
E21B19/20
主分类号
E21B19/20
代理机构
代理人
主权项
地址
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