An item reported that the Czechoslovak Oder Navigation Company (CSPO) possessed the diesel screw steam tug Hanna with a horsepower of 150hp, a draught of 0,90 meter.
Source
The report was published on www.archive.org, document number CIA-RDP82-00457R010000110009-3
Source
The report was published on www.archive.org, document number CIA-RDP82-00457R010000110009-3