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Market Research Report Store

North America Ship Searchlight Market by Manufactu

出版日期 / “世界” / 语言—English / 4页
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. 更多
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