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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63139657
Kind Code:
U
Application Number:
JP2995987U
Publication Date:
September 14, 1988
Filing Date:
March 03, 1987
Export Citation:
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International Classes:
G06F17/22; G06F3/023; (IPC1-7): G06F15/20; G06F3/023; G06F15/21