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ストック写真ID: 347742321
Mature man mixing chemical liquids
Happy mature lab man pouring fluids in pipettes
Male scientist carefully adding solution to small glass flask
Man showing part of molecular model focus on foreground
Chemist man use micro pipette to transfer liquid
Senior scientist working in lab
Senior scientists working in lab
Smiling man scientist in eyeglasses holding molecular model in lab
Attentive mature scientist dripping reagent into a test tube
Senior scientist analysing flask and test-tube
Close-up portrait of a male researcher holding a test tube
Male researcher holding flask with blue liquid in the lab
Scientist holding small erlenmeyer flask up to the light
Investigator checking test tubes portrait of male scientist
Man in the lab testing new cleaning solution
Scientist in the laboratory
Man in the laboratory with flasks
Scientists working in laboratory
Photo of a lab assistant holding a flask and pipette
Male scientist working in laboratory