| 摘要 |
<p>Centrifugal pump for aquaria, fountains, and industrial uses comprises a motor and a vane wheel, and a neck, seal, and fixing element on which is a cap, all of pref. PVC. The cap is mounted by a bayonet connection on the fixing element, which is screwed onto the neck. Pref. claws extend down from the base of the cap and project inwardly at the bottom, to click under radial projections on the fixing element, which also is the pump pedestal.</p> |
