Resumen
Brown coals are classified in this International Standard according to the following properties: total moisture content calculated on the ash-free basis; tar hiels calculated on the dry, ash-free basis. In tables class numbers, group number and code numbers of brown coal types are given.
Informaciones generales
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Estado: En desarrolloEtapa: DIS registrado [40.00]
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Edición: 2Número de páginas: 3
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Comité Técnico :ISO/TC 27/SC 5ICS :73.040
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Ciclo de vida
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Anteriormente
PublicadoISO 2950:1974
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Ahora