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 Gryts Bruk AbfiledCriticalGryts Bruk Ab
Priority to FI800541ApriorityCriticalpatent/FI63988C/fi
Publication of FI800541ApublicationCriticalpatent/FI800541A/fi
Application grantedgrantedCritical
Publication of FI63988BpublicationCriticalpatent/FI63988B/fi
Publication of FI63988CpublicationCriticalpatent/FI63988C/fi