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<title><![CDATA[EC21 Product Catalogs - gb5310]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/gb5310--2808/1/gb5310.html]]></link><item>
<title><![CDATA[Seamless steel tube]]></title><link><![CDATA[https://zbsino.en.ec21.com/Seamless_steel_tube--751773_751794.html]]></link><description><![CDATA[and international standards,,they are widly used in such fields as petroleum industy,building structures and transportation. Standard:GB/T8162/API5L/API5CT/ASME SA106/GB5310/ASTM A213/JIS G 3461
]]></description><pubDate><![CDATA[20100426]]></pubDate></item>

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