The Losos was a Russian Lin Class coastal defence submarine of 500 tons displacement launched in 1935. The Losos had a top speed of 19 knots surface; 9 knots submerged. She was armed with one 1 pdr anti-aircraft gun; four 21 inch torpedo tubes. Found on http://www.probertencyclopaedia.com/browse/RL.HTM
The Losos was a Russian Lin Class coastal defence submarine of 500 tons displacement launched in 1935. The Losos had a top speed of 19 knots surface; 9 knots submerged. She was armed with one 1 pdr anti-aircraft gun; four 21 inch torpedo tubes.