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 Walter SchaefferfiledCriticalWalter Schaeffer
Publication of CH43392ApublicationCriticalpatent/CH43392A/de
Verfahren zur Herstellung einer dauerhaften, stromleitenden Verbindung zwischen den Metallleuchtfäden und den Stromzuführungsdrähten elektrischer Glühlampen