Chemicals used for treatment of swimming pool water - Ozone
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Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonate
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Chemicals used for treatment of swimming pool water - Sodium hydroxide
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Chemicals used for treatment of swimming pool water - Sodium hypochlorite
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Chemicals used for treatment of swimming pool water - Sulfuric acid
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Copper and copper alloys - Analysis by spark optical emission spectrometry (S-OES)
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Ventilation for buildings - Sheet metal air ducts with rectangular section - Requirements for strength and leakage
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Extended application of results from fire resistance tests - Part 12: Loadbearing masonry walls
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Extended application of results from fire resistance tests - Part 8: Beams
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Industrial valves - Mounting kits for part-turn valve actuator attachment
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