Document Type and Number:
Japanese Patent JPS5395803
Kind Code:
U
Application Number:
JP41577U
Publication Date:
August 04, 1978
Filing Date:
January 05, 1977
Export Citation:
International Classes:
G11B3/20; G11B21/20; H04N5/76; H04R17/04; (IPC1-7): H04R17/04; H04N5/76