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substance étalon secondaire (in titrimetric analysis) | |||
norme dérivée | |||
étalon secondaire |
secondary standard: 11 phrases in 6 subjects |
Electronics | 2 |
General | 1 |
Lighting other than cinema | 2 |
Name of organization | 2 |
Technology | 3 |
Радиоактивное излучение | 1 |