Document Type and Number:
Japanese Patent JPS5057406
Kind Code:
U
Application Number:
JP11211173U
Publication Date:
May 29, 1975
Filing Date:
September 25, 1973
Export Citation:
International Classes:
G11B5/80; C09D5/23; G06K19/00; G06K19/06; G11B23/30; (IPC1-7): G11B5/80