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发明名称
SAFETY VALVE
摘要
申请公布号
EP1809860(B1)
申请公布日期
2010.05.05
申请号
EP20050807371
申请日期
2005.11.02
申请人
CALEDYNE LIMITED
发明人
VAN DORT, ROLAND, MARCEL,;MARTIN, DAVID,
分类号
E21B43/12;E21B34/14
主分类号
E21B43/12
代理机构
代理人
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地址
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