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R1 R2 R3 is a cultivated variety of potato.
 Research R1 R2 R3
R2 was an American-built Peruvian submarine of 576 tons displacement launched in 1926. The R2 was powered by two Nelseco diesel engines providing a top speed of 14.5 knots and a range of 12800 km surfaced and electric motors providing a top speed of 9.5 knots submerged. She carried a complement of 30 and was armed with one 3 inch gun and four 21 inch torpedo tubes in the bow.
Research R2
R2 is slang for Valium.
Research R2
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The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2009 The Probert Encyclopaedia
Southampton, United Kingdom
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