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 Ts Na Issl Inst T MashfiledCriticalTs Na Issl Inst T Mash
Priority to FI189773ApriorityCriticalpatent/FI56282C/fi
Publication of FI189773ApublicationCriticalpatent/FI189773A/fi
Application grantedgrantedCritical
Publication of FI56282BpublicationCriticalpatent/FI56282B/fi
Publication of FI56282CpublicationCriticalpatent/FI56282C/fi