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        Vnikací tělesa na měření tvrdosti kovů. Sekundární etalony a provozní meřidla. Metody zkoušení na úřední ověřování a potřebné pomůcky.
          Automatically translated name:
          Penetrating bodies for measuring the hardness of metals. Secondary standards and operational gauges. Testing methods for official verification and needed aids.        
      
STANDARD published on 16.2.1989
    
        Designation standards: ČSN 994442
                Classification mark:  994442
                
                Catalog number:  32021
                
                
                Note:    WITHDRAWN
               
                Publication date standards:  16.2.1989
                  SKU:  NS-137703
          The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
        Country:          Czech technical standard
        Category: Technical standards ČSN
        
                
              
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