Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Інститут Геотехнічної Механіки Ан Урср, Институт Геотехнической Механики Ан УссрfiledCriticalІнститут Геотехнічної Механіки Ан Урср
Priority to UA4942574ApriorityCriticalpatent/UA15664A/en
Publication of UA15664ApublicationCriticalpatent/UA15664A/en
Device includes working surface in the form convergent chute, loading and unloading devices; moreover it is equipped with elastic shell with acoustic radiator of trapezoid shape in the plan.
UA4942574A1991-06-051991-06-05Device for hydraulic classification
UA15664A
(en)