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<title><![CDATA[EC21 Product Catalogs - float type ball valve]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/float_type_ball_valve--2918/1/float type ball valve.html]]></link><item>
<title><![CDATA[Mechanices]]></title><link><![CDATA[https://maier418.en.ec21.com/Mechanices--11922917_11922955.html]]></link><description><![CDATA[ball valve(stopcock) fitting for air evacuation.
When the tube is inverted under normal atmospheric pressure, students will see that the coin falls at a faster rate than the feather because of air re]]></description><pubDate><![CDATA[20240409]]></pubDate></item>

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