Line master professor or scientist at work with a cable generator on the table. Experiments in the laboratory. Scientist or professor standing with cup of coffee. Master thinks over the cable and demonstrates how it works. Experiments are proven.

Obrázek Scientist doing an experiment fotografie, snímků a reklamní fotografie. Image 65827204.

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Scientist doing an experiment

Scientist Doing An Experiment Royalty Free Fotografie A Reklamní Fotografie. Image 65827204.

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Stock Photo - Scientist doing an experiment

Scientist doing an experiment

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