Document Type and Number:
Japanese Patent JPH038382
Kind Code:
U
Application Number:
JP6886489U
Publication Date:
January 25, 1991
Filing Date:
June 13, 1989
Export Citation:
International Classes:
G02B6/00; G09F13/00; G09F13/20; (IPC1-7): G09F13/00; G02B6/00; G02B6/00; G09F13/20
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