Title:
電子交換機保守運用システム
Document Type and Number:
Japanese Patent JP3556959
Kind Code:
B2
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Inventors:
Kazuhiko Ito
Miyuki Sato
Naoki Hayashi
Yasuko Osaki
Miyuki Sato
Naoki Hayashi
Yasuko Osaki
Application Number:
JP28020392A
Publication Date:
August 25, 2004
Filing Date:
October 19, 1992
Export Citation:
Assignee:
富士通株式会社
富士通北海道通信システム株式会社
富士通北海道通信システム株式会社
International Classes:
H04M3/00; H04M3/22; (IPC1-7): H04M3/00; H04M3/22
Domestic Patent References:
| JP62194770A | ||||
| JP62213459A |
Attorney, Agent or Firm:
Yu Sanada