Document Type and Number:
Japanese Patent JPS5155216
Kind Code:
A
Inventors:
HARA FUMIO
KASHIWARA YASUNARI
KASHIWARA YASUNARI
Application Number:
JP12898374A
Publication Date:
May 14, 1976
Filing Date:
November 11, 1974
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G11B17/32; G11B25/04; (IPC1-7): G11B17/32; G11B25/04