II. Laboratorio
Telephone Switchboard Operators

- Credits
- by Royce Bair on Flickr (CC BY-NC-ND 2.0)
- Diritti d'autore
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The text only may be used under licence CC BY-NC-ND 4.0. All other elements (illustrations, imported files) may be subject to specific use terms.
- File originale
- n32_sommario_02.jpg (image/jpeg – 33k)


