Document Type and Number:
Japanese Patent JPS4919048
Kind Code:
Y1
Application Number:
JP10762668U
Publication Date:
May 22, 1974
Filing Date:
December 10, 1968
Export Citation:
International Classes:
G11B23/07; G11B15/04; G11B15/07; G11B15/66; G11B15/675; G11B23/06; (IPC1-7): G11B15/66; G11B15/04; G11B23/06