NBN T 03-476-1984 Carbonaceous materials for the production of aluminium - Pitch for electrodes - Determination of water content - Azeotropic distillation (Dean and Stark) method
1984NBN T 03-476-1984 Carbonaceous materials for the production of aluminium - Pitch for electrodes - Determination of water content - Azeotropic distillation (Dean and Stark) method