Document Type and Number:
Japanese Patent JPS5515152
Kind Code:
Y2
Application Number:
JP4301076U
Publication Date:
April 08, 1980
Filing Date:
April 07, 1976
Export Citation:
International Classes:
G11B27/11; G06M1/02; G06M1/30; (IPC1-7): G06M1/30; G06M1/02