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 Regulator G M B H Birka, Rozumek Dipl Ing ErnstfiledCriticalRegulator G M B H Birka
Publication of CH196004ApublicationCriticalpatent/CH196004A/de