Document Type and Number:
Japanese Patent JPS51947
Kind Code:
U
Application Number:
JP7115574U
Publication Date:
January 07, 1976
Filing Date:
June 18, 1974
Export Citation:
International Classes:
G03B31/00; G11B5/00; (IPC1-7): G03B31/00; G11B5/00
Next Patent: JPH051948