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NA 119

DIN Standards Committee Water Practice

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Drafts of NA 119

Number: 134

DIN EN 12255-10 2021-07 Wastewater treatment plants - Part 10: Safety principles; German and English version prEN 12255-10:2021 More 
DIN EN 17670-1 2021-06 Plastics piping systems for non-pressure underground conveyance and storage of non-potable water - Manholes, inspection chambers and road gullies for storm water systems made of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Specifications for storm water manholes and inspection chambers; German and English version prEN 17670-1:2021 More 
DIN EN 936 2021-03 Chemicals used for treatment of water intended for human consumption - Carbon dioxide; German and English version prEN 936:2021 More 
DIN EN 12255-16 2019-06 Wastewater treatment plants - Part 16: Physical (mechanical) filtration; German and English version prEN 12255-16:2019 More 

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