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DIN EN 899
Chemicals used for treatment of water intended for human consumption - Sulfuric acid; German version EN 899:2022
Edition
2022-10
DIN EN 12174
Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate; German version EN 12174:2022
Edition
2023-03
DIN EN 12120
Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite; German version EN 12120:2022
Edition
2023-03
DIN EN 12121
Chemicals used for treatment of water intended for human consumption - Sodium disulfite; German version EN 12121:2022
Edition
2023-03
DIN EN 891
Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German version EN 891:2023
Edition
2023-05
DIN EN 889
Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate; German version EN 889:2023
Edition
2023-05
DIN EN 888
Chemicals used for treatment of water intended for human consumption - Iron (III) chloride; German version EN 888:2023
Edition
2023-05
DIN ISO 21504
Project, programme and portfolio management - Guidance on portfolio management (ISO 21504:2015)
Edition
2017-09
DIN EN 13959
Anti-pollution check valves - DN 6 to DN 250 inclusive - Family E, type A, B, C and D; German version EN 13959:2004
Edition
2005-01
DIN EN 10240
Internal and/or external protective coatings for steel tubes - Specification for hot dip galvanized coatings applied in automatic plants; German version EN 10240:1997
Edition
1998-02
