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Title:
【発明の名称】サービス自動解除機能付き電話機
Document Type and Number:
Japanese Patent JP2573510
Kind Code:
B2
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Inventors:
ITO HARUHISA
TAKEUCHI KOICHI
Application Number:
JP7798188A
Publication Date:
January 22, 1997
Filing Date:
April 01, 1988
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04M3/42; H04M1/00; (IPC1-7): H04M1/00; H04M3/42
Attorney, Agent or Firm:
Shinnosuke Tsunoda



 
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