- helicoil spring
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Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
J. Walter Christie — John Walter Christie (May 6, 1865 January 11, 1944) was an American engineer and inventor. He is best known for developing the Christie suspension system used in a number of World War II era tank designs, most notably the Soviet BT and T 34… … Wikipedia