Érett kémikus, a fehér szőrzet a kémcsőben és Mikroszkóp kémiai laborban - Stock fotó és kép

Concentrated scientist in white coat looking into the microscope in chemical laboratory

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Professional lab technician taking notes while holding a test tube with plant sample

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Professional lab technician taking notes while doing microscope sample analysis

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Professional lab technician taking notes while doing microscope sample analysis

Concentrated lab technician taking notes while examining sample of plant in test tube

Chemist in white coat and eyeglasses, examining test tube with sample in chemical lab