Document Type and Number:
Japanese Patent JPS51101146
Kind Code:
U
Application Number:
JP1987575U
Publication Date:
August 13, 1976
Filing Date:
February 13, 1975
Export Citation:
International Classes:
G03B31/00; G11B5/00; G11B20/02; H03G3/00; H03G3/02; (IPC1-7): G03B31/00; G11B5/00; H03G3/00