Document Type and Number:
Japanese Patent JPS5240105
Kind Code:
U
Application Number:
JP12663575U
Publication Date:
March 22, 1977
Filing Date:
September 12, 1975
Export Citation:
International Classes:
G11B15/02; G03B31/00; G03D15/00; G11B5/027; G11B15/18; G11B31/00; (IPC1-7): G11B31/00; G03B31/00; G11B5/033; G11B15/18