История воздушных шаров и дирижаблей

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. . 1783 . 1783 . 1783 . . (% ). (). . - PowerPoint PPT Presentation

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<p> 1783 .</p> <p> 1783 .</p> <p> 1783 .</p> <p> () (%) </p> <p> II. - . . II</p> <p> -51, 1941 .</p> <p> ( , ). .</p> <p>1784 .</p> <p>, . 1812 . 1851 .</p> <p> 1906 .</p> <p> 1928 .</p> <p> 1936 .</p> <p> 1936 .</p> <p> 1937 .</p>

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