Greetings
Let see if Google Translate works... and understand your postings :icon_redface::icon_redface::icon_redface:
Both the Тор-М1 system and the KACTA-2E1 radar system (replacement for the Π-19/1PΛ-134 system) are Russian. Also the C-300 system. Only the OCA-AK system is ex-DDR.
Dimitris
Athens, Hellas