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The English name Light Amplification by Stimulated Emission of Radiation means "light amplification by stimulated emission." The English full name of the laser has fully expressed the main process of manufacturing the laser. The principle of the laser was discovered by the famous Jewish physicist Einstein as early as 1916. This page is convenient for users to find information about tactical pen flashlight and other related content. If you do not find the information you are looking for here. Please inform us in time. We will solve it for you. This page provides you with keywords “tactical pen flashlight” Related content，Through the tactical pen flashlight keyword collection page, you can easily find the information you want.