Document Type and Number:
Japanese Patent JPS5213122
Kind Code:
U
Application Number:
JP9767375U
Publication Date:
January 29, 1977
Filing Date:
July 14, 1975
Export Citation:
International Classes:
G09B19/08; B42D1/00; B42D15/00; G09B19/06; (IPC1-7): B42D1/00; G09B19/06