| 摘要 |
<p>the protective case is for electronic calculators and their accessories. It consists of two independent cases, in the form of a box (6) with a cover (5), one case being for the calculator, which is held keyboard upmost, and the other being for the accessories. The two lateral sides (1) and of the case for the calculator serve as support for the cover so that the keyboard is protected. The accessory case (6) can form the base for the calculator or can be fixed on the end of the calculator case.</p> |
