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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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Publications of CEN/TC 271/WG 1

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DIN EN 12921-1	2011-02	Standards	Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 1: Common safety requirements; German version EN 12921-1:2005+A1:2010 More	Order from DIN Media
DIN EN 12921-2	2010-01	Standards	Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 2: Safety of machines using water based cleaning liquids; German version EN 12921-2:2005+A1:2008 More	Order from DIN Media
DIN EN 12921-3	2010-02	Standards	Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 3: Safety of machines using flammable cleaning liquids; German version EN 12921-3:2005+A1:2008 More	Order from DIN Media
DIN EN 12921-4	2010-06	Standards	Machines for surface cleaning and pretreatment of industrial items using liquids and vapours - Part 4: Safety of machines using halogenated solvents; German version EN 12921-4:2005+A1:2008 More	Order from DIN Media

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