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 Helsingin Puhelin OyjfiledCriticalHelsingin Puhelin Oyj
Priority to FI20001264ApriorityCriticalpatent/FI114133B/fi
Publication of FI20001264ApublicationCriticalpatent/FI20001264A/fi
Application grantedgrantedCritical
Publication of FI114133BpublicationCriticalpatent/FI114133B/fi