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Patent Searching and Data

Document Type and Number:
Japanese Patent JPH0452898
Kind Code:
Application Number:
Publication Date:
May 06, 1992
Filing Date:
September 08, 1990
Export Citation:
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International Classes:
D06F71/20; D06F71/28; D06F73/00; (IPC1-7): D06F71/28; D06F71/20; D06F73/00

Next Patent: JPH0452899