Document Type and Number:
Japanese Patent JPS50115005
Kind Code:
A
Application Number:
JP2028474A
Publication Date:
September 09, 1975
Filing Date:
February 19, 1974
Export Citation:
International Classes:
G11B15/04; G11B15/02; G11B15/10; G11B15/18; (IPC1-7): G11B15/02; G11B15/18