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 Akerlund & Rausing AbfiledCriticalAkerlund & Rausing Ab
Publication of FI49806BpublicationCriticalpatent/FI49806B/fi
Application grantedgrantedCritical
Publication of FI49806CpublicationCriticalpatent/FI49806C/fi