Bending machine to define?

Does anyone know if the machine that one uses in autobody or mechanics to bend sheet steel has a special name or is it just called a bending machine or equivalent as bending machines for sale from www.aluminum-machine.com/productsty...
thanks

Please clarify if you can. Your initial request was for a sheet metal bending device, and now you are referring to tubing.
In the metal-bending trades, these are quite distinct. The machine may have the same name.
Have a look:
The box and pan brake is a mechanical metalworking machine that allows the bending of sheet metal to form box and pan shapes, and to form bends and creases in sheet metal. Also known as a bending machine or bending brake.
en.wikipedia.org/wiki/Brake_(box_and_pan)

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