Document Type and Number:
Japanese Patent JPS53125525
Kind Code:
U
Application Number:
JP3103977U
Publication Date:
October 05, 1978
Filing Date:
March 15, 1977
Export Citation:
International Classes:
G11B15/07; G11B15/04; G11B15/10; (IPC1-7): G11B15/04; G11B15/10