| 摘要 |
<p>A device for treating e.g. mixing of different substances comprising a vessel with a vertical axis of symmetry, at least one stirring member provided in said vessel, means provided to support the upper end of the or each stirring member, whereas drive means are provided for rotating the or each stirring member about its own axis and simultaneously about the vertical axis of symmetry of the vessel, a combined system consisting of an injection pipe and at</p> |
