Ленинградский Электротехнический Институт Связи Им.Проф.М.А.Бонч-Бруевича
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 Ленинградский Электротехнический Институт Связи Им.Проф.М.А.Бонч-БруевичаfiledCriticalЛенинградский Электротехнический Институт Связи Им.Проф.М.А.Бонч-Бруевича
Priority to SU7502188794ApriorityCriticalpatent/SU568159A1/en
Application grantedgrantedCritical
Publication of SU568159A1publicationCriticalpatent/SU568159A1/en