You can enjoy super directivity A parametric speaker experiment kit Ultrasonic Directive Speaker This kit is designed to be able to make the parametric speaker which used a supersonic wave easily.Table Top Refrigerated Centrifuge, from microtubes to 500mL bottles, or microplates.Ideal for general purpose centrifuge.5 multiple swinging bucket rotors, 3 micro rotors, 2 angle rotors and 2 micro
See more of صور اسلحة on Facebook. Log In. About See all. 733723578 967 + Comic book shop. Page transparency See More. Facebook is showing information to help you better understand the purpose of a Page. See actions taken by the people who manage and post content. Page created – 24 May 2011. People. 31,829 likes.