Title:
【発明の名称】聾唖学校宿舎用信号伝達システム
Document Type and Number:
Japanese Patent JPH0642278
Kind Code:
B2
Inventors:
KOMATSU AKIRA
Application Number:
JP28430588A
Publication Date:
June 01, 1994
Filing Date:
November 10, 1988
Export Citation:
Assignee:
BODYSONIC KK
International Classes:
G09B21/00; A47C21/00; G08B1/02; G08B5/36; G08B17/00; G08B23/00; G08B25/00; G08B27/00; H04R1/00; (IPC1-7): G08B17/00; A47C21/00; G08B25/00
Domestic Patent References:
| JP61140692U | ||||
| JP635788U | ||||
| JP4120020Y1 |
Attorney, Agent or Firm:
Nobuo Kaida (1 person outside)
Next Patent: MANUFACTURE OF CONNECTOR CONTACT MAKER