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 Strengberg Ab OyfiledCriticalStrengberg Ab Oy
Priority to FI760125ApriorityCriticalpatent/FI59008C/sv
Publication of FI760125A7publicationCriticalpatent/FI760125A7/fi
Publication of FI59008BpublicationCriticalpatent/FI59008B/sv
Application grantedgrantedCritical
Publication of FI59008CpublicationCriticalpatent/FI59008C/sv