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<title><![CDATA[EC21 Product Catalogs - project mirror]]></title>
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<title><![CDATA[Sound and Wave Apparatus for Physics in Middle Schools]]></title><link><![CDATA[https://maier418.en.ec21.com/Sound_and_Wave_Apparatus_for--11922917_11922963.html]]></link><description><![CDATA[Ripple Tank Kit
Ripple Tank Kit is used for the visual demonstration of the properties of wave motion and the effects of refraction, diffraction and interference by projecting water waves on to the f]]></description><pubDate><![CDATA[20240409]]></pubDate></item>
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<title><![CDATA[Riotouch Interactive Whiteboard for Sale From China]]></title><link><![CDATA[https://riotouchiwb.en.ec21.com/Riotouch_Interactive_Whiteboard_for_Sale--7340531_7380236.html]]></link><description><![CDATA[projector. A projector projects the computer&apos;s desktop onto the touch panel&apos;s surface, where users can write by pen or finger. The board is typically mounted to a wall or on a floor stand, some users]]></description><pubDate><![CDATA[20121206]]></pubDate></item>

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