Запорная задвижка с приводной головкой. Расчет и конструирование

Запорная задвижка с приводной головкой. Расчет и конструирование

2016 · 845 KB · Russian
by Плотников П.Н. & Недошивина Т.А. ред. Паршин В.С.
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“ If your life's work can be accomplished in your lifetime, you're not thinking big enough. ” ― Wes Jackson
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