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| chemical expertise | |||
| chemical examination (Before any physical or chemical examination of the painting, it is first necessary to understand the complex layers that comprise the painting – by Sarah Wells Conner Horn Tamerlane) | |||
| химическая экспертиза: 9 a las frases, 3 temas |
| General | 6 |
| Medicina forense | 2 |
| Unión Europea | 1 |