Document Type and Number:
Japanese Patent JPS5192251
Kind Code:
U
Application Number:
JP1130575U
Publication Date:
July 23, 1976
Filing Date:
January 23, 1975
Export Citation:
International Classes:
G09B19/00; A47B97/00; B43L7/00; B43L9/00; B43L9/02; B43L9/08; G09B1/00; G09B29/10; (IPC1-7): G09B1/00