Polish tug Ursus according to a CIA report dated 20 May 1954

An item reported the Polish tug Ursus with a gross register tonnage of 167 tons, a horsepower of 550 hp, built in 1925 and as homeport Gdynia, Poland.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A004001050003-8