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 Aschaffenburger ZellstoffwerkefiledCriticalAschaffenburger Zellstoffwerke
Priority to FI67960ApriorityCriticalpatent/FI34265A/en
Publication of FI34265ApublicationCriticalpatent/FI34265A/en