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经营范围
发明名称
CABLE A FIBRE OPTIQUE.
摘要
申请公布号
FR2585851(B1)
申请公布日期
1990.04.06
申请号
FR19860010699
申请日期
1986.07.23
申请人
STC PLC
发明人
GRAHAM KENNETH THORNTON
分类号
E21B17/20;E21B47/12;G02B6/44;(IPC1-7):G02B6/44;E21B47/06;G01D5/26
主分类号
E21B17/20
代理机构
代理人
主权项
地址
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