Повучен
ISO 17246:2005 establishes a practice for the proximate analysis of coal and is intended for general utilization by the coal industry to provide a basis for comparison of coals.
ПОВУЧЕН
ISO 17246:2005
95.99
Повучен
4. 6. 2010.
ПОВУЧЕН
ISO 17246:2005/Cor 1:2006
ПОВУЧЕН
ISO 17246:2010