Document Type and Number:
Japanese Patent JPS57134792
Kind Code:
U
Application Number:
JP1854881U
Publication Date:
August 23, 1982
Filing Date:
February 12, 1981
Export Citation:
International Classes:
G11B33/14; G11B25/04; H05K7/20; (IPC1-7): G11B25/04; H05K7/20