real blue laser pointer high power astronomy laser Not long ago, some travelers experienced intense laser interference in airplane gatherings. At that time, in the evening, passengers Qingdao and dalian fly. When more than 10 minutes after takeoff, ... mehr»
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2017-08-31 10:38
 Various handheld laser pen The http://www.kitlaser.com/blue-laser-pointers.html has three different power levels, and you can choose which one you want. The minimum power level is 700 milliwatts, the middle point ... mehr» Vor 7 Jahren - von laserqs
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