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NA 119

DIN Standards Committee Water Practice

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Drafts of NA 119

Number: 124

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 19569-11 2020-10 Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 11: Dosing plant More 
DIN EN 17522 2020-06 Design and construction of borehole heat exchangers; German and English version prEN 17522:2020 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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