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经营范围
发明名称
FAST VALVE ACTUATOR AND TOOL PROVIDED WITH SAME
摘要
申请公布号
EP1540132(B1)
申请公布日期
2006.10.04
申请号
EP20030771131
申请日期
2003.07.04
申请人
GEOSERVICES
发明人
MILLET, FRANCOIS;MICHAUD, CHRISTOPHE;GIRARDI, FRANCOIS
分类号
E21B34/06;E21B21/10;F16K31/72
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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