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<title><![CDATA[EC21 Product Catalogs - rolling gate operator]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/rolling_gate_operator--2918/1/rolling gate operator.html]]></link><item>
<title><![CDATA[Mechanices]]></title><link><![CDATA[https://maier418.en.ec21.com/Mechanices--11922917_11922955.html]]></link><description><![CDATA[gate static friction, sliding friction and rolling friction.Students can investigate friction qualitatively and quantitatively with our Friction Apparatus.
Friction is defined as the force that resis]]></description><pubDate><![CDATA[20240409]]></pubDate></item>

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