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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH048137
Kind Code:
U
Application Number:
JP4786690U
Publication Date:
January 24, 1992
Filing Date:
May 07, 1990
Export Citation:
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International Classes:
G01B7/00; G06F3/03; G06F3/046; G06K11/06; H01F19/00; (IPC1-7): G06F3/03; G01B7/00; G06K11/06; H01F19/00
Domestic Patent References:
JPS5826578A1983-02-17
JPH01320521A1989-12-26