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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0317839
Kind Code:
Y2
Application Number:
JP7289388U
Publication Date:
April 15, 1991
Filing Date:
June 01, 1988
Export Citation:
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International Classes:
D06F67/04; D06F71/18; D06F71/40; D06F73/00; (IPC1-7): D06F67/04; D06F73/00