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 Cp Goerz Optische Anstalt Ag, Akciova Spolecnost K P Goerz OfiledCriticalCp Goerz Optische Anstalt Ag
Application grantedgrantedCritical
Publication of AT104073BpublicationCriticalpatent/AT104073B/de