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 Antti Johannes NiemifiledCriticalAntti Johannes Niemi
Priority to FI742546ApriorityCriticalpatent/FI51014C/fi
Publication of FI254674A7publicationCriticalpatent/FI254674A7/fi
Publication of FI51014BpublicationCriticalpatent/FI51014B/fi
Application grantedgrantedCritical
Publication of FI51014CpublicationCriticalpatent/FI51014C/fi