Document Type and Number:
Japanese Patent JPS5166423
Kind Code:
U
Application Number:
JP14116774U
Publication Date:
May 26, 1976
Filing Date:
November 20, 1974
Export Citation:
International Classes:
G03B23/02; G11B23/08; G11B23/42; G11B27/34; (IPC1-7): G11B23/08; G03B23/02; G11B27/34