Document Type and Number:
Japanese Patent JPS5110099
Kind Code:
B1
Application Number:
JP4685269A
Publication Date:
April 01, 1976
Filing Date:
June 16, 1969
Export Citation:
International Classes:
G03B31/04; G03B31/00; G03B31/06; G11B15/02; G11B15/46; G11B27/32; G11B31/00; (IPC1-7): G11B27/32; G03B31/00; G11B15/46