Document Type and Number:
Japanese Patent JPS5323233
Kind Code:
U
Application Number:
JP10510876U
Publication Date:
February 27, 1978
Filing Date:
August 03, 1976
Export Citation:
International Classes:
G03B31/06; G03B31/00; G11B5/027; G11B20/02; G11B31/00; (IPC1-7): G11B5/027; G03B31/00