| 摘要 |
<p>An administering apparatus having a service life timer is provided that includes a casing with a reservoir for a container for a product to be administered, a conveying member for the product, an adder for recording and adding a change in the state of the apparatus, and an output means connected to the adder that outputs a signal perceivable by the senses in response to recording a change in state of the apparatus.</p> |
