NEN 2704 : 1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
VITREOUS AND PORCELAIN ENAMELS - APPARATUS FOR TESTING OF RESISTANCE TO ACID AND NEUTRAL LIQUIDS AND THEIR VAPOURS
22-08-2011
12-01-2013
Deze norm beschrijft het toestel voor de bepaling van de bestandheid van vlakke emailoppervlakken tegen zure en neutrale vloeistoffen en hun dampen. Met dit toestel kan de bestandheid tegen vloeistoffen en hun dampen tegelijkertijd worden bepaald.
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