| 摘要 |
<p>The device has an assistance tool (14) positioned in an opening of a tank. A set of coupling projections (13a, 13b) is arranged, and a support (19) is allowed to cooperate with a set of fixing units (12a, 12b). A set of complementary fixing walls (9a, 9b) is placed on a closing lid (5). The assistance tool includes an actuation lever (15), and an upper surface (8) of the lid is connected to a pivot by the fixing walls.</p> |
