ГОСТ 21354-75 Передачи зубчатые цилиндрические эвольвентные. Расчет на п

ГОСТ 21354-75 Передачи зубчатые цилиндрические эвольвентные. Расчет на п

65 Pages · 2008 · 6.48 MB · Russian
by Ёшкин кот
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“ Goodbyes are only for those who love with their eyes. Because for those who love with heart and soul there is no such thing as separation. ” ― Rumi
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