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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63167273
Kind Code:
U
Application Number:
JP5973087U
Publication Date:
October 31, 1988
Filing Date:
April 20, 1987
Export Citation:
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International Classes:
G01R31/02; G01R31/28; (IPC1-7): G01R31/28; G01R31/02