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 Chem Fab Von Der Linde M B H, Der Linde Gustav VonfiledCriticalChem Fab Von Der Linde M B H
Publication of CH75890ApublicationCriticalpatent/CH75890A/en