| 20080217223 | Filtration Device For Surface Treatment Liquid - A filtration device for a surface treatment liquid, in which deposited precipitates can be quickly transferred regardless of the magnitude of the diameter, material, and the like, of particles contained in a used surface treatment liquid. Further, the precipitates are not influenced by the flow caused by the transfer, so that such a situation that the deposited precipitates rise to flow into a surface treatment tank can be prevented. The filtration device for a surface treatment liquid comprises a surface treatment tank [[( | 09-11-2008 |