Document Type and Number:
Japanese Patent JPS4980215
Kind Code:
U
Application Number:
JP12458772U
Publication Date:
July 11, 1974
Filing Date:
October 29, 1972
Export Citation:
International Classes:
G11B5/00; G09B5/04; G09B7/00; G11B5/027; (IPC1-7): G11B5/027; G09B7/00; G11B5/00