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 PetrellfiledCriticalPetrell
Priority to FI83672ApriorityCriticalpatent/FI47146C/en
Publication of FI47146BpublicationCriticalpatent/FI47146B/fi
Application grantedgrantedCritical
Publication of FI47146CpublicationCriticalpatent/FI47146C/en