Document Type and Number:
Japanese Patent JPH0172624
Kind Code:
U
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Application Number:
JP16539087U
Publication Date:
May 16, 1989
Filing Date:
October 30, 1987
Export Citation:
International Classes:
G06C3/00; G06G1/10; (IPC1-7): G06C3/00
Next Patent: JPH0172625