Document Type and Number:
Japanese Patent JPH041439
Kind Code:
U
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Application Number:
JP4119690U
Publication Date:
January 08, 1992
Filing Date:
April 18, 1990
Export Citation:
International Classes:
G01N27/12; G01N27/02; H01H35/42; (IPC1-7): G01N27/02; G01N27/12; H01H35/42
Next Patent: JPH041440