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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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Projects of IEC/SC 37B

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Document number	Begin	Title	Comment
IEC 37B/98/CDV	2008-06-13	IEC 61643-311 Ed. 2.0: Components for low-voltage surge protective devices - Part 311: Test circuits and methods for gas discharge tubes More	Comment
IEC 37B/99/CDV	2008-06-13	IEC 61643-312 Ed. 1.0: Components for low-voltage surge protective devices - Part 312: Preferred values and characteristics for gas discharge tubes More	Comment
IEC 37B/100/CDV	2008-06-13	Components for low-voltage surge protective devices - Part 313: Selection and applications principles for gas discharge tubes More	Comment
IEC 37B/89/NP	2008-01-04	Isolation Transformers for Lightning Protection(ITL) More	Comment
IEC 37B/83/DC	2006-03-17	Maintenance review of 61643 series and scope of IEC 61643-311 More	Comment

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