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<title><![CDATA[EC21 Product Catalogs - pebbles.]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/pebbles.--2644/1/pebbles..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[pebble
HRC45~48
Medium soft
Very high
Sandstone, sandy shale, lithoid, limestone, limonite sandstone
HRC40~45
Medium
High
Medium-hard limestone, medium-hard shale, medium-hard ash stone
HRC38~42
Medi]]></description><pubDate><![CDATA[20160523]]></pubDate></item>
<item>
<title><![CDATA[Diamond Impregnated Bits, Diamond Core Bits, Impregnated Bits AQ BQ NQ HQ PQ]]></title><link><![CDATA[https://gzvilong.en.ec21.com/Diamond_Impregnated_Bits_Diamond_Core--10772805_10772810.html]]></link><description><![CDATA[Pebble
Very High
Soft
HRC 48-50
GV1/ GV2
Sandstone, Sandy Shale, Lithoid, Limestone, Limonite Sandstone
Very High
Medium Soft
HRC 45-48
GV1#/ GV2
Medium-hard, Limestone, Medium-hard Shale, Medium-har]]></description><pubDate><![CDATA[20210520]]></pubDate></item>

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