
Screw gauges. Measuring parts of reference gauges for ring thread "not go" gauges. Whitworth thread, diameter W1/8" - W3"
NORM herausgegeben am 1.11.1964
    
        Designation standards: STN 254157
                Classification mark:  254157
                
                Catalog number:  56139
                
                
               
                Publication date standards:  1.11.1964
        The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
        Country:          Slovak technical standard
        Kategorie: Technische Normen STN