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North America Ship Searchlight Market by Manufactu

Опубликовано в "Мир", язык - English. 4 страниц.
A searchlight (or spotlight) is an apparatus that combines an extremely luminous source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction, usually constructed so that it can be swiveled about. Еще
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Тэги : ship searchlight
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