chalk microscope icon isolated black background chemistry pharmaceutical instrument microbiology magnifying tool |
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| navigate by keyword : science laboratory fire test tube flask stand chemical glass experiment vector icon isolated chalk chalkboard blackboard sketch drawing white black research chemistry lab equipment scientific beaker glassware medical explosion liquid biology pharmacy technology illustration background medicine object analysis pharmacology bottle reaction burner collection fluid holder design flat |
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| Chalk Microscope icon isolated on black background. Chemistry, pharmaceutical instrument, microbiology magnifying tool. Vector. |
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