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<title><![CDATA[EC21 Product Catalogs - ts guide]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/ts_guide--2644/1/ts guide.html]]></link><item>
<title><![CDATA[HW Diamond Casing Shoe]]></title><link><![CDATA[https://csdrilling.en.ec21.com/HW_Diamond_Casing_Shoe--8382535_9987706.html]]></link><description><![CDATA[Guide for Impregnated bits 
Matrix Hardness
Rock Hardness
Abrasiveness
Rock Type
HRC50
Soft
Medium
Clay, shale, siltstone, cypsum
HRC48~50
Soft
Very high
Ash stone, coal, argillite, volcanics, sandy ]]></description><pubDate><![CDATA[20160523]]></pubDate></item>

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