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 filedfiledCritical
Priority to SU1817479ApriorityCriticalpatent/SU422801A1/ru
Application grantedgrantedCritical
Publication of SU422801A1publicationCriticalpatent/SU422801A1/ru
Fremgangsmaate ved fremstilling av et plantenaeringsmiddel fra ammonium-, kalium- og ammoniumkaliumjarositt separert ved jarosittsinkraffineringsprosessen
Perfeccionamientos introducidos en un anillo de paletas di- rectrices fijas para una envuelta espiral de chapa metalica para una maquina hidraulica rotativa.