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 Perstnev Aleksaander, Vilacer Vladimer, Perstnev Samuel Dr, Natapov Boris DrfiledCriticalPerstnev Aleksaander
Priority to IL194015ApriorityCriticalpatent/IL194015B/en
Publication of IL194015A0publicationCriticalpatent/IL194015A0/en
Publication of IL194015BpublicationCriticalpatent/IL194015B/en