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Hace 7 horas · La longitud de la rosca de tornillos de serie en pulgadas, donde d es el diámetro nominal, se expresa mediante LT = 2d + 1 4 L ≤ 6 pulg 2d + 1 2 L 6 pulg pulg pulg (8-13) y para tornillos métricos, LT = ⎧ ⎪ ⎨ ⎪ ⎩ 2d + 6 2d + 12 125 2d + 25 L ≤ 125 d ≤ 48 L ≤ 200 L 200 (8-14) donde las dimensiones están en milímetros.
Hace 7 horas · James Knox Polk (/ p oʊ k /; November 2, 1795 – June 15, 1849) was an American lawyer and politician who served as the 11th president of the United States from 1845 to 1849. He also served as the 13th speaker of the House of Representatives from 1835 to 1839 and the ninth governor of Tennessee from 1839 to 1841. A protégé of Andrew Jackson, he was a member of the Democratic Party and an ...
