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Application filed by Emil Richter, Josef HerokfiledCriticalEmil Richter
Publication of CH57723ApublicationCriticalpatent/CH57723A/de
CH57723A1912-03-281912-03-28Apparat zur Erzeugung von gebrauchsfertigem Azetylengas, mit Führungsvorrichtung für komprimierte Karbidkörper
CH57723A
(de)