Chemické pokusy, laboratorní zkumavky s činidly. 4k, closeup - Stock záběry a video

Name: chemické pokusy, laboratorní zkumavky s činidly. 4k, closeup
Uploaded: 2018-08-20T08:56:42.000Z
Channel: kopitin
Description: Chemické pokusy, laboratorní zkumavky s činidly. 4k, closeup

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