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<title><![CDATA[EC21 Product Catalogs - the inside bop]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/the_inside_bop--2673/1/the inside bop.html]]></link><item>
<title><![CDATA[Oilfield Wellhead Equipment API X-mas/Christmas Tree]]></title><link><![CDATA[https://machinery14.en.ec21.com/Oilfield_Wellhead_Equipment_API_X--9182239_9182271.html]]></link><description><![CDATA[the annular space between the tubing string and intermediate casing, consisting of tubing head spool and tubing hanger. 
Functions 
1) Hang the tubing string inside well; 
2) Seal the annular space b]]></description><pubDate><![CDATA[20140912]]></pubDate></item>

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