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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56140850
Kind Code:
U
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Application Number:
JP3636880U
Publication Date:
October 24, 1981
Filing Date:
March 19, 1980
Export Citation:
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International Classes:
G06F15/02; G01B7/00; G01B7/02; G01B21/00; (IPC1-7): G06F15/02; G01B21/00