Gases licuados de petróleo. Método de toma de muestras. (ISO 4257:1988).
LIQUEFIED PETROLEUM GASES. METHOD OF SAMPLING. (ISO 4257:1988).
GAZ DE PÉTROLE LIQUÉFIÉS. MÉTHODE D'ÉCAHNTILLONAGE. (ISO 4257:1988).
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75.160.30 / Gaseous fuels
CTN 51 - Petroleum products
EN ISO 4257:1995 (Identical)
ISO 4257:1988 (Identical)
It is cancelled by: UNE-EN ISO 4257:2002 ERRATUM