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<title><![CDATA[EC21 Product Catalogs - drop in vent]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/drop_in_vent--0512/1/drop in vent.html]]></link><item>
<title><![CDATA[HNG High Efficiency Gas Purification Stainless Steel Deoxygenation Tube]]></title><link><![CDATA[https://sanda1993.en.ec21.com/HNG_High_Efficiency_Gas_Purification--11992672_11992674.html]]></link><description><![CDATA[venting for 1 hour. Turn off the hydrogen and electric heater, and introduce a trace amount of nitrogen. When the temperature drops to room temperature, turn off the gas source, activate, and seal it]]></description><pubDate><![CDATA[20240827]]></pubDate></item>

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