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 Kone OyfiledCriticalKone Oy
Priority to FI753364ApriorityCriticalpatent/FI51802C/fi
Application grantedgrantedCritical
Publication of FI51802BpublicationCriticalpatent/FI51802B/fi
Publication of FI51802CpublicationCriticalpatent/FI51802C/fi