File:Coca-Cola lata.jpg - Wikimedia Commons

Coca cola cans hi-res stock photography and images - Alamy

File:02014 Społem.JPG - Wikipedia

File:Frescolita (refresco).jpg - Wikimedia Commons

Coca cola can condensation hi-res stock photography and images - Alamy

File:Glass of Coca-Cola.jpg - Wikimedia Commons

Open Coca Cola can Stock Photo - Alamy

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CJEU: the sound produced when a beverage can is opened cannot be registered as a trademark since it has no distinctive character

File:Latas de Coca-Cola.jpg - Wikimedia Commons