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<title><![CDATA[EC21 Product Catalogs - bb machinery]]></title>
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<title><![CDATA[Oilfield Wellhead Equipment API X-mas/Christmas Tree]]></title><link><![CDATA[https://machinery14.en.ec21.com/Oilfield_Wellhead_Equipment_API_X--9182239_9182271.html]]></link><description><![CDATA[BB, CC, DD, EE, FF, HH 
6. Specification level: PSL1-4, 
7. Performance Level :PR1-2 
1) Casing Head Description: 
The casing head is a kind of part of connecting casings and wellheads. It is used to]]></description><pubDate><![CDATA[20140912]]></pubDate></item>

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