Document Type and Number:
Japanese Patent JPS5251527
Kind Code:
Y2
Application Number:
JP2490871U
Publication Date:
November 22, 1977
Filing Date:
April 06, 1971
Export Citation:
International Classes:
H04N5/7826; G11B15/10; G11B15/43; H04N5/78; (IPC1-7): G11B15/43; G11B15/10; H04N5/78