14 Bilder zum Thema "siphoning" bei ClipDealer

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Young scientist putting chemicals in a test-tube
Serious scientist pipetting a liquid in a test-tube
Female scientist examining blood
Woman in labcoat looking at beaker of blood
Young scientist pipetting a liquid in a test-tube
Composite image of female scientist examining blood
Woman in lapcoat looking at red chemical liquid
Serious scientist putting chemicals in a test-tube
Serious scientist taking sample from beaker
Serious scientist pipetting a liquid in a test-tube
Female scientist examining blood
Female scientist examining blood
Siphon for cleaning the bottom of the aquarium
Woman in lapcoat looking at red chemical liquid

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