Alquitrán crudo y benzol crudo. Características y métodos de ensayo.
Crude tar and crude benzole - Characteristics and test methods
Goudron brut et benzol brut - Caractéristiques et méthodes d'essai
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75.080 / Petroleum products in general
CTN 22 - Mineral raw materials, Mining and explosives
EN 14639:2005 (Identical)
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