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发明名称
Improvements in local exchange testing
摘要
申请公布号
EP0884883(A3)
申请公布日期
2003.11.12
申请号
EP19980401431
申请日期
1998.06.11
申请人
SCHLUMBERGER TECHNOLOGIES, INC.
发明人
BOLD, STEPHEN;HALLIDAY, SIMON ROY;HANDLEY, BRETT
分类号
H04M3/26;H04M3/00;H04M3/22;H04M3/32;(IPC1-7):H04M3/32;H04Q11/04
主分类号
H04M3/26
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代理人
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