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<title><![CDATA[EC21 Product Catalogs - nano micro bubble]]></title>
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<title><![CDATA[Portable Ultrasonic Washing Mashine]]></title><link><![CDATA[https://mclaut.en.ec21.com/Portable_Ultrasonic_Washing_Mashine--9394251_9433417.html]]></link><description><![CDATA[microscopic bubbles. Upon rise in pressure, the bubbles shrink but do not entirely disappear. Thus, each new phase of expansion and shrinking makes them change their size in parallel to the frequency]]></description><pubDate><![CDATA[20150321]]></pubDate></item>

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