Document Type and Number:
Japanese Patent JPS4929695
Kind Code:
Y1
Application Number:
JP6849468U
Publication Date:
August 12, 1974
Filing Date:
August 07, 1968
Export Citation:
International Classes:
G11B31/00; G11B15/66; G11B15/675; (IPC1-7): G11B15/66; G11B31/00