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Translations:Lever filler/10/en (visualizza wikitesto)
Versione delle 01:14, 21 ago 2019
, 4 anni faCreata pagina con "Another noteworthy variant of the system is the one of Carter, derived from a patent ({{Cite patent|US|1209978}}) of the De Witt-La France, which has a sort of "leash"..."
Another noteworthy variant of the system is the one of [[Carter]], derived from a patent ({{Cite patent|US|1209978}}) of the [[De Witt-La France]], which has a sort of "leash" attached to the lever that prevents it from tipping over once it has reached the vertical position, in order to avoid damage to the pen and the system.