Document Type and Number:
Japanese Patent JPS5212280
Kind Code:
U
More Like This:
Application Number:
JP9759675U
Publication Date:
January 28, 1977
Filing Date:
July 14, 1975
Export Citation:
International Classes:
D03D15/00; D03D17/00; D03D25/00; G02B27/00; (IPC1-7): D03D25/00; D03D17/00; G02B27/00