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经营范围
发明名称
suspensor de tubulaÇço.
摘要
申请公布号
BR0017468(B1)
申请公布日期
2008.11.18
申请号
BR20000017468
申请日期
2000.02.10
申请人
发明人
RICHARD KENT;NICHOLAS GATHERAR
分类号
E21B33/043;E21B33/03;E21B34/02
主分类号
E21B33/043
代理机构
代理人
主权项
地址
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