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Title:
【発明の名称】高能率回線診断方式
Document Type and Number:
Japanese Patent JP2825049
Kind Code:
B2
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Inventors:
ISHIGURO KAZUHIKO
Application Number:
JP28263492A
Publication Date:
November 18, 1998
Filing Date:
October 21, 1992
Export Citation:
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Assignee:
NIPPON DENKI KK
International Classes:
H04B3/46; H04B17/00; H04J3/14; H04J3/17; H04L1/20; (IPC1-7): H04B17/00; H04B3/46; H04L1/20
Domestic Patent References:
JP4246921A
JP5110631A
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)



 
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