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 B A Z BruunfiledCriticalB A Z Bruun
Priority to DK44874ApriorityCriticalpatent/DK44874A/da
Priority to US05/516,741prioritypatent/US4018149A/en
Priority to DE19742450168prioritypatent/DE2450168A1/de
Priority to FR7435367Aprioritypatent/FR2247964B3/fr
Publication of DK44874ApublicationCriticalpatent/DK44874A/da