Центральный Научно-Исследовательский Институт Связи
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 Центральный Научно-Исследовательский Институт СвязиfiledCriticalЦентральный Научно-Исследовательский Институт Связи
Priority to SU1681955ApriorityCriticalpatent/SU480147A1/en
Application grantedgrantedCritical
Publication of SU480147A1publicationCriticalpatent/SU480147A1/en