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 Otk KeskusosuusliikefiledCriticalOtk Keskusosuusliike
Priority to FI750572ApriorityCriticalpatent/FI50691C/fi
Application grantedgrantedCritical
Publication of FI50691BpublicationCriticalpatent/FI50691B/fi
Publication of FI50691CpublicationCriticalpatent/FI50691C/fi