Document Type and Number:
Japanese Patent JPS537078
Kind Code:
Y2
Application Number:
JP11522571U
Publication Date:
February 22, 1978
Filing Date:
December 09, 1971
Export Citation:
International Classes:
G03B31/04; G03B31/00; (IPC1-7): G03B31/04
Next Patent: MANUFACTURE OF SEMICONDUCTOR LASER DIODE