Title:
【発明の名称】ディジタルボタン電話装置
Document Type and Number:
Japanese Patent JP2654027
Kind Code:
B2
Inventors:
MANO HIROSHI
Application Number:
JP22127787A
Publication Date:
September 17, 1997
Filing Date:
September 04, 1987
Export Citation:
Assignee:
TOSHIBA KK
International Classes:
H04Q3/58; H04L12/40; (IPC1-7): H04Q3/58; H04L12/40
Domestic Patent References:
| JP5687970A | ||||
| JP6278993A | ||||
| JP62122354A |
Attorney, Agent or Firm:
Kazuo Sato (2 outside)