Document Type and Number:
Japanese Patent JPS62186103
Kind Code:
U
Application Number:
JP7552586U
Publication Date:
November 26, 1987
Filing Date:
May 20, 1986
Export Citation:
International Classes:
C03C17/32; C03C21/00; C03C23/00; G02B5/20; G02F1/133; G02F1/1335; (IPC1-7): G02B5/20; C03C21/00; C03C23/00; G02F1/133