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...he pen that in position of rest remains lateral, whose rotation involves a torsion applied laterally to the bag with the relative wringing.

...ubber tank could break due to the considerable effort imposed on it by the torsion.

...r'' is based on the compression of the reservoir through the exercise of a torsion on it. In this type of filling in general the tank is made not with a sac,

...es was the [[Perfecta]] model, produced in the early 20s, with a [[torsion filler]] and a complex safety system as the first example of automatic filling fo