Química. Diseños para normas. Parte 2: Métodos de análisis químico.
Chemistry -- Layouts for standards -- Part 2: Methods of chemical analysis
Chimie -- Plans de normes -- Partie 2: Méthodes d'analyse chimique
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71.040.40 / Chemical analysis
CTN 55B - Surface active agents
ISO 78-2:1999 (Identical)
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