832-394369 - Laboratory examination with laboratory assistant in an examination laboratory for food control, Freiburg, Baden-Wuerttemberg, Germany, Europe
832-394392 - Fish preparation for laboratory evaluation in a food control laboratory with laboratory assistant, Freiburg, Baden-Wuerttemberg, Germany, Europe
832-394393 - Fish for laboratory evaluation in a laboratory for the control of food with laboratory assistant, Freiburg, Baden-Wuerttemberg, Germany, Europe
832-394395 - Result of a laboratory examination, chromatography in the hand of a chemist in the laboratory, food control examination, Freiburg, Baden-Wuerttemberg, Germany, Europe