Plastics - Phenolic resins - Determination of free-formaldehyde content - Hydroxylamine hydrochloride method (ISO 9397:1995); German version EN ISO 9397:1997— 4 стр.
Plastics - Phenolic resins - Determination of free-formaldehyde content - Hydroxylamine hydrochloride method (ISO 9397:1995); German version EN ISO 9397:1997— 4 стр.