PERFEZIONAMENTO DEI DISPOSITIVI CONTENITORI PER PIU' LAME DENTATE DICHIAVI AFFIANCATE, SELEZIONATE ED ESTROFLESSE UNA ALLA VOLTA.

摘要

A device for holding a plurality of toothed blades of flanked keys that may be selected and pulled out one by one. Each key has a groove with a preferably triangular section along the whole length of the edge resting against the bottom of the device for sliding along ribs of equal sections on the bottom of the device.