DIN - German Institute for Standardization

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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
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [CURRENT]

ABNT NBR ISO 4981
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

Edition 2025-08-29

Original language Portuguese

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ABNT NBR ISO 4981 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

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ABNT NBR ISO 4981
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