| 摘要 |
The invention proposes a system comprising a roll (12) formed of a strip (2) comprising at least one characteristic mark (8) on the roll, a dispenser which comprises means of identifying this mark (8) in order to determine whether a new roll fitted into the dispenser is a roll that complies therewith, characterized in that said mark (8) is present on a free end portion of the new roll, and in that this marked free end portion is followed by at least one portion that does not comprise any characteristic mark (8) of the roll. |
