Standard Practice for Examination of Water-Formed Deposits by Chemical Microscopy
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Standard Test Method for Beta Particle Radioactivity of Water
Standard Test Method for Beta Particle Radioactivity of Water 
Standard Test Method for Beta Particle Radioactivity of Water 
Treatment of the water of swimming pools and baths; combination of process; adsorption-flocculation-filtration-chlorination
€41.78
Treatment of the water of swimming pools and baths; combination of process; flocculation - pre filtration - ozonization - absorbing filtration - chlorination
Treatment of water of swimming-pools and baths - Part 2: Combination of process: Adsorption, flocculation, filtration, chlorination
Treatment of water of swimming-pools and baths - Part 3: Combination of process: Flocculation, filtration, ozonization, absorbing filtration, chlorination
€48.79
Disconnection devices without moving parts for the prevention of contamination of water by backflow - Specification for type AD air gaps with injector; German version prEN 13079:1997
Treatment of water of swimming pools and baths - Part 3: Combinations of process with ozonization.
€84.58
