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<title><![CDATA[EC21 Product Catalogs - paralle]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/paralle--080402/1/paralle.html]]></link><item>
<title><![CDATA[Filters of 400nm]]></title><link><![CDATA[https://chinastar2009.en.ec21.com/Filters_of_400nm--3515571_3523215.html]]></link><description><![CDATA[tolerance:+/-0.01mm-0.1mm
Paralism: Up to 3 Arc minutes
Edges:Fine
Ground Flatness:Up to Lambda/10
Surface quantity: 80/50-20/10 Scratch/Dig
]]></description><pubDate><![CDATA[20200219]]></pubDate></item>

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