Title:
DEVICE FOR OBSERVATION OF HISTORY OF STUDY AND DEVICE FOR STUDY
Document Type and Number:
Japanese Patent JPS51125543
Kind Code:
A
Inventors:
KIYOHARA KUNIO
Application Number:
JP650176A
Publication Date:
November 02, 1976
Filing Date:
January 22, 1976
Export Citation:
Assignee:
KIYOHARA KUNIO
International Classes:
G09B7/08; G09B5/00; G09B7/00; (IPC1-7): G09B5/00; G09B7/00