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[color=#c51414]Nastro di Möbius[/color] , [color=#0a971e]Bottiglia di Klein -BOUTEILLE DE KLEIN -Klein's bottle, - Kleinsche Flasche [/color] ,[color=#b20ea8]Toro, Toroide[/color], [color=#1551b5]Nodo[/color], [color=#c51414]Topologia[/color][b][/b][b][/b][b][/b][b][/b][b][/b]
1. Toro o Toroide .Topologia
2. Nastro di Möbius
3. BOUTEILLE DE KLEIN (Klein's bottle, Kleinsche Flasche)