| 摘要 |
PROBLEM TO BE SOLVED: To provide an identification label unit enabling authenticity determination of a product.SOLUTION: An identification label unit includes: an identification label to which an identifier is attached; a viewer plate arranged so as to cover the identification label; and a holding member which holds the identification label and the viewer plate so that they are relatively rotatable. The identification label is constituted so that switching between display and non-display of the identifier is performed by relative rotation between the identification label and the viewer plate. |
