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Methylene blue test, Photocatalytic activity assay, samples of coating, Research on building materials, Tecnalia Research & Innovation, Zamudio, Bizka
Methylene blue test, Photocatalytic activity assay, samples of coating, Research on building materials, Tecnalia Research & Innovation, Zamudio, Bizkaia, Basque Country, Spain
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Photo credit: © Javier LARREA / Alamy / Afripics
License: Licensed
Model Released: Yes
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