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 Tredco LtdfiledCriticalTredco Ltd
Priority to FI159566ApriorityCriticalpatent/FI49247C/sv
Publication of FI49247BpublicationCriticalpatent/FI49247B/fi
Application grantedgrantedCritical
Publication of FI49247CpublicationCriticalpatent/FI49247C/sv