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<title><![CDATA[EC21 Product Catalogs - new key code]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/new_key_code--2644/1/new key code.html]]></link><item>
<title><![CDATA[Api Standard 244.5mm IADC 637 Rock Drill Tricone Bits with Tungsten Carbide Inserts]]></title><link><![CDATA[https://senwell2008.en.ec21.com/Api_Standard_244.5mm_IADC_637--9714769_9714800.html]]></link><description><![CDATA[new type of wear resistant grease that can sustain high temperature up to 250&amp;deg;C. 
The surfaces of main or key parts are hardfaced and treated with friction reducing technology. They can enhance g]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[Tricone Rock Bits, Rock Roller Bits, Roller Cone Bits, Three Cone Bits, TCI Rock Bits, MT Rock Bits]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Tricone_Rock_Bits_Rock_Roller--10772776_10772786.html]]></link><description><![CDATA[key factors to clarify the bit quality.
Judging from its&apos; cutting structures, there are two types of tricone rock bits. One is Milled tooth rock bits or named as steel tooth rock bits, usually writte]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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