| 摘要 |
The invention relates to a data carrier system for durably attaching at least one material layer which is or can be provided with an identification marking, and to the use thereof. In addition, the invention relates to a holding element for holding, in a detachable and/or fixed manner, material layer(s) which is/are or which can be provided with an identification marking. The holding element is also provided for protecting the data carrier from mechanical, physical and/or chemical damage. The invention also relates to the use of said holding element. |
