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<title><![CDATA[EC21 Product Catalogs - flex drill collar]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/flex_drill_collar--2842/1/flex drill collar.html]]></link><item>
<title><![CDATA[Spiral Drill Collars]]></title><link><![CDATA[https://sylvia2009.en.ec21.com/Spiral_Drill_Collars--3522272_5352668.html]]></link><description><![CDATA[The spiral drill collars are made of 4145H modified chromium-molybdenum alloy steel according to API Spec 7 and aSY/T 5144 . All threads can be phosphated,copperised or cold worked. All threads are m]]></description><pubDate><![CDATA[20140113]]></pubDate></item>

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