Document Type and Number:
Japanese Patent JPS562174
Kind Code:
Y2
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Application Number:
JP4152575U
Publication Date:
January 19, 1981
Filing Date:
March 29, 1975
Export Citation:
International Classes:
G09B23/40; G01M5/00; G01N3/12; (IPC1-7): G01M5/00; G09B23/40
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