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1,500 × 1,125 pixel
File size: 8.45 MB
MIME type: application/pdf
The file "Osok_graphene.pdf" has 1 identical duplication.
- Osok graphene.pdf . . Алёна (talk | contribs) . . 21:03, 29 September 2016
- Osok graphene.pdf . . Алёна . . 21:03, 29 September 2016