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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0341781
Kind Code:
B2
Application Number:
JP23954884A
Publication Date:
June 25, 1991
Filing Date:
November 15, 1984
Export Citation:
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International Classes:
G01N3/00; G01N3/08; G01N3/32; G01N3/34; G01N19/00