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Patent Searching and Data


Title:
交換台オペレーションシステム
Document Type and Number:
Japanese Patent JP3607479
Kind Code:
B2
Inventors:
Tomofumi Nakane
Application Number:
JP35505797A
Publication Date:
January 05, 2005
Filing Date:
December 24, 1997
Export Citation:
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Assignee:
NEC Communication Systems, Ltd.
International Classes:
G06F9/06; G06F9/445; H04M3/00; H04M3/60; H04Q3/545; (IPC1-7): H04M3/60; G06F9/06; G06F9/445; H04M3/00; H04Q3/545
Domestic Patent References:
JP326157A
Attorney, Agent or Firm:
Masahiko Desk
Yasuhisa Tanizawa
Kawai Nobuaki