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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Projects of DKE/K 441

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DIN IEC/IEEE 60099-11	2024-02-22	Surge Arresters - Part 11: Metal-oxide Surge Arresters to Protect Power Line Insulation More	Comment
IEC 37/407/CDV	2013-05-10	IEC 60099-9/Ed1: Surge arresters - Part 9: Metal-oxide surge arresters without gaps for HVDC converter stations More	Comment
IEC 37/401/CD	2012-06-29	IEC 60099-9/Ed1: Surge arresters - Part 9: Metal-oxide surge arresters without gaps for HVDC converter stations More	Comment
IEC 37/390/CD	2012-01-13	IEC 60099-9 Ed. 1.0: Surge arresters - Part 9: Metal-oxide surge arresters without gaps for HVDC converter stations More	Comment
IEC 37/382/CD	2011-01-28	IEC 60099-4 f2 Ed. 3.0: Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems More	Comment
IEC 37/381/CD	2011-01-28	IEC 60099-4 f1 Ed. 3.0: Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems More	Comment
IEC 37/365/NP	2010-02-26	Future IEC 60099-9: Surge arresters - Part 9: Metal-oxide surge arresters without gaps for HVAC/HVDC converter and inverter stations More	Comment
IEC 37/371/CDV	2009-08-21	Surge arresters - Part 5:Selection and application recommendations More	Comment
IEC 37/326/DC	2006-12-08	New work to amend IEC 60099-4 Second Edition 2004-05 by revising requirements for mechanical testing of surge arresters More	Comment
IEC 37/307/CDV	2004-06-04	Amendment 1-f2 to IEC 60099-4 Ed 2.0 -Surge Arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems More	Comment

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