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<title><![CDATA[EC21 Product Catalogs - bule top]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/bule_top--10120399/1/bule top.html]]></link><item>
<title><![CDATA[PCB Surface]]></title><link><![CDATA[https://greenstone23.en.ec21.com/PCB_Surface--11778431_11778453.html]]></link><description><![CDATA[bule, gray, etc. green should be the most commonly used one. The suggested soldermask clearance in GERBER is 2-4 mils.
The silkscreen layer is the top layer of the printed circuit board
and serves as]]></description><pubDate><![CDATA[20230428]]></pubDate></item>

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