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 Le I Inzhenerov ZheleznodorozhfiledCriticalLe I Inzhenerov Zheleznodorozh
Priority to FI870322ApriorityCriticalpatent/FI84140C/en
Publication of FI870322A0publicationCriticalpatent/FI870322A0/en
Publication of FI870322ApublicationCriticalpatent/FI870322A/en
Publication of FI84140BpublicationCriticalpatent/FI84140B/en
Application grantedgrantedCritical
Publication of FI84140CpublicationCriticalpatent/FI84140C/en