Открытия и изобретения «железного» века. Часть-2

Posted By on 26.05.2010

Учебная презентация. Изобретения XIX века.

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2 комментария to “Открытия и изобретения «железного» века. Часть-2”

  1. Супер, но хотелось бы видеть больше подробностей.

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