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<title><![CDATA[EC21 Product Catalogs - etched crystal]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/etched_crystal--053507/1/etched crystal.html]]></link><item>
<title><![CDATA[Ammonium Hydrogen Difluoride]]></title><link><![CDATA[https://shanshuihg.en.ec21.com/Ammonium_Hydrogen_Difluoride--8269908_8270023.html]]></link><description><![CDATA[etching, oil drilling and provide harsh cleaning solutions.
CAS No.:1341-49-7,
Molecular Formula:NH4F&amp;middot;HF,NH5F2,NH4HF2,
Molecular Weight: 57.05,
inorganic salt,industrial chemicals,chemicals,ca]]></description><pubDate><![CDATA[20141211]]></pubDate></item>

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