Férfi ellenőrzi a folyadék keresztül nagyító - Stock fotó és kép

Man chemist working in the lab

Male scientist working in laboratory

Scientists working in laboratory

Scientist checking a solution in conical flask

Senior professor male researcher tests a chemical liquid tubes

Portrait of a man wearing protective googles in lab

Scientist looking at test tube through a magnifying glass

Man working on a lab

Close up of a microbiological laboratory test

Smiling man scientist in eyeglasses holding molecular model in lab

Close-up portrait of a male researcher holding a test tube

A laboratory pipette with drop

Biochemist at work and man

Male worker in lab glasses

Portrait of a microbiological laboratory test

Biologist takes the dna of various substances

Scientist holding a graduated cylinder