Title:
【発明の名称】構内交換機
Document Type and Number:
Japanese Patent JPH0793653
Kind Code:
B2
Inventors:
Shinya Izumi
Application Number:
JP17586989A
Publication Date:
October 09, 1995
Filing Date:
July 07, 1989
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H04M3/42; (IPC1-7): H04M3/42
Domestic Patent References:
| JP62269460A | ||||
| JP62272642A |
Attorney, Agent or Firm:
Tomoyuki Takimoto
Next Patent: 電話交換装置