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发明名称
Video logging system having remote power source
摘要
申请公布号
EP0643198(B1)
申请公布日期
2000.11.02
申请号
EP19940117679
申请日期
1991.05.17
申请人
DHV INTERNATIONAL, INC.
发明人
RIORDAN, MATHEW B.
分类号
E21B47/00;G02B6/44;H04N7/18;(IPC1-7):E21B47/00;E21B47/12
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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