Document Type and Number:
Japanese Patent JPS5041846
Kind Code:
Y1
Application Number:
JP956669U
Publication Date:
November 28, 1975
Filing Date:
February 05, 1969
Export Citation:
International Classes:
G11B15/093; G11B15/43; G11B15/66; (IPC1-7): G11B15/43; G11B15/66