Legal status (The legal status 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 status listed.)
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
F04B39/0011—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons liquid pistons
Verfahren zur unmittelbaren Darstellung von reinem Eisen aus Erzen durch Chlorierung und Zerlegung der hierbei gebildeten fluechtigen Eisenchlorverbindungen mit Hilfe von Wasserstoff in der Waerme
Elektromagnetisch betaetigte Zuendvorrichtung fuer Quecksilberdampfapparate aus Glas, bei der eine bewegliche Zuendelektrode in der Naehe der Quecksilberkathode federnd befestigt ist