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发明名称
Signalling method
摘要
申请公布号
GB2415555(B)
申请公布日期
2008.05.28
申请号
GB20040014352
申请日期
2004.06.26
申请人
PLUS DESIGN LIMITED;QUANTX WELLBORE INSTRUMENTATION LIMITED;BAKER HUGHES OILFIELD OPERATIONS, INC.;BAKER HUGHES INCORPORATED
发明人
ERIC ATHERTON
分类号
H04B3/54;E21B47/12;G01V11/00;H03K7/08;H03K9/08;H04L1/24;H04L25/49
主分类号
H04B3/54
代理机构
代理人
主权项
地址
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