Document Type and Number:
Japanese Patent JPS5321945
Kind Code:
Y2
Application Number:
JP5707374U
Publication Date:
June 08, 1978
Filing Date:
May 21, 1974
Export Citation:
International Classes:
G11B27/06; G03B21/00; G03B31/00; G03D15/00; G03D15/04; G11B5/78; (IPC1-7): G03D15/04; G11B27/06