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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Publications of ISO/TC 138/SC 1/WG 4

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ISO/TS 17902	2016-11	Pre-standard	Wrapped electrofoaming joints for polyethylene (PE) piping systems with smooth outer wall for gravity drains and sewers More	Order from DIN Media
ISO 4981	2023-06	Standards	Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Boxes used for retention, detention, storage and transportation systems - Specifications for storm water boxes made of PE, PP and PVC-U More	Order from DIN Media
ISO 4982	2023-06	Standards	Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Arch-shaped, corrugated wall chambers made of PE or PP used for retention, detention, storage and transportation of storm water systems - Product specifications and performance criteria More	Order from DIN Media
ISO 8772	2006-09	Standards	Plastics piping systems for non-pressure underground drainage and sewerage - Polyethylene (PE) More	Order from DIN Media
ISO 21138-1	2020-01	Standards	Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Material specification and performance criteria for pipes, fittings and systems More	Order from DIN Media
ISO 21138-2	2020-01	Standards	Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 2: Pipes and fittings with smooth external surface, Type A More	Order from DIN Media
ISO 21138-3	2020-01	Standards	Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Pipes and fittings with non-smooth external surface, Type B More	Order from DIN Media

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