Document Type and Number:
Japanese Patent JPS5338087
Kind Code:
B2
Application Number:
JP610575A
Publication Date:
October 13, 1978
Filing Date:
January 13, 1975
Export Citation:
International Classes:
C03B37/014; C03C3/04; C03C3/06; C03C11/00; C03C13/04; C03C23/00; G02B6/00