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 Metallgesellschaft AgfiledCriticalMetallgesellschaft Ag
Application grantedgrantedCritical
Publication of FI48987BpublicationCriticalpatent/FI48987B/fi
Publication of FI48987CpublicationCriticalpatent/FI48987C/fi