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<title><![CDATA[EC21 Product Catalogs - concrete pipe making machine]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/concrete_pipe_making_machine--2717/1/concrete pipe making machine.html]]></link><item>
<title><![CDATA[YFT-D300 Pressure Relief Valve Test Bench for Safety Valve Pressure Calibration and Sealing Test]]></title><link><![CDATA[https://king3834656.en.ec21.com/YFT_D300_Pressure_Relief_Valve--11745449_11747554.html]]></link><description><![CDATA[machine, check that the pipe joints are free of leakage and other noises, and if any adverse phenomenon is found, repairing should be carried out immediately.4. When testing the valve. the required p]]></description><pubDate><![CDATA[20230330]]></pubDate></item>

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