類似のロイヤリティフリー動画
Close-up of Asian male scientist in white uniform holding laboratory flask with red chemical solution. Chemistry, Science, Biological, Toxicology, Research and Development concept
Modern medical laboratory conducting research of blood, experts at work
Mixed race scientist doing chemical experiment at laboratory, holding tube
Lab assistant marking tube with blue detergent sample, washing substance test
Doctor Nurse Woman Wearing Protective Mask and Latex Gloves - Working with Blood Test Tube Rack
もっと
motortionModern medical laboratory conducting research of blood, experts at work
Mixed race scientist doing chemical experiment at laboratory, holding tube
Lab assistant marking tube with blue detergent sample, washing substance test
Chemist marking tube with black substance, examining soil solution, fertility
