| 摘要 |
PROBLEM TO BE SOLVED: To provide a thing and a method which makes information disappearance such as the breakage, concealment, and decolorization of indication hard in a distribution system, a final selling place, etc., makes it easy to visually confirm it in such a case, and makes it possible to accurately read its information, and are used to display package contents so that the location of the information can easily be confirmed. SOLUTION: A package contents keeping agent is provided, which internally has an IC containing warranty period data. Here, the warranty period data may be manufacture day data, the package contents keeping agent may be a disiccant, or an deoxidizer, and the IC may be incorporated in the form of a tag. Further, a warranty period inspection device is provided, which comprises a receiving means for receiving the warranty period data sent by the package contents keeping agent, a decision means for making a decision by comparing the warranty period data with a fixed warranty period, and an output means for outputting the decision result of the decision means. |
