US PATENT SUBCLASS 436 / 904
OXIDATION - REDUCTION INDICATORS
Current as of:
June, 1999
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436 /
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CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING
904
OXIDATION - REDUCTION INDICATORS
DEFINITION
Classification: 436/904
OXIDATION-REDUCTION INDICATORS:
Art collection of chemical tests and materials therefore which exhibit a color change caused by an oxidation or reduction reaction.