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<title><![CDATA[EC21 Product Catalogs - gate valve piston rods]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/gate_valve_piston_rods--2673/1/gate valve piston rods.html]]></link><item>
<title><![CDATA[API Oilfield Wellhead Annular Blowout Preventer/BOP]]></title><link><![CDATA[https://machinery14.en.ec21.com/API_Oilfield_Wellhead_Annular_Blowout--9182239_9182250.html]]></link><description><![CDATA[gate, hydro-cylinder, cylinder cap, piston, piston rod, lock shaft, sealing parts, ram, etc. Oil well&amp;#39;s sealing or opening is achieved by moving ram, which is driven by piston rod and piston with]]></description><pubDate><![CDATA[20140912]]></pubDate></item>

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