Document Type and Number:
Japanese Patent JPS4322061
Kind Code:
Y1
Application Number:
JP7759765U
Publication Date:
September 17, 1968
Filing Date:
September 24, 1965
Export Citation:
International Classes:
G09B5/06; G11B21/02; G11B21/12; (IPC1-7): G11B21/02; G09B5/06; G11B21/12