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Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
STANDARD published on 1.4.2002
    
        Designation standards: ČSN EN 1717
                Classification mark:  755462
                
                Catalog number:  63947
                
                
               
                Publication date standards:  1.4.2002
                  SKU:  NS-148186
          The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
        Country:          Czech technical standard
        Category: Technical standards ČSN
        
                
              
Norma stanoví minimální požadavky na normy výrobků pro ochranná zařízení, která se používají na ochranu proti znečištění pitné vody ve vnitřních vodovodech a uvádí všeobecné požadavky na zařízení na ochranu proti znečištění zpětným průtokem
  WITHDRAWN
1.10.2005
  WITHDRAWN
1.9.2006
  WITHDRAWN
1.9.2006
  WITHDRAWN
1.10.2006
  WITHDRAWN
1.7.2008
1.3.2009
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Latest update:  2025-11-03 (Number of items: 2 242 248) 
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