Czechoslovakian shipyard at Komarno building tugs and barges according to a CIA report dated 10 November 1953

An item reported that the shipyard at Komarno, Czechoslovakia built 800hp tugs and 670 tons barges which were used for the Oder river shipping. Furthermore built the same shipyard 3.000 tons self propelling sea-going barges for the Soviet Union.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A002700680007-1