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<title><![CDATA[EC21 Product Catalogs - etching patterns sheet]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/etching_patterns_sheet--2673/1/etching patterns sheet.html]]></link><item>
<title><![CDATA[CNC Machining Copper]]></title><link><![CDATA[https://flourishlegend.en.ec21.com/CNC_Machining_Copper--11858161_11858170.html]]></link><description><![CDATA[etching: Acid etching is a process that removes oxide layers and impurities from the copper surface. By immersing the copper part in an acidic solution, oxide compounds, and impurities can be removed]]></description><pubDate><![CDATA[20231024]]></pubDate></item>

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