Screw gauges. Measuring parts of reference gauges on wearing for ring thread "go" gauges. Whitworth thread. Diameter W1/8" - W3"
NORM herausgegeben am 1.11.1964
Designation standards: STN 254154
Classification mark: 254154
Catalog number: 56136
Publication date standards: 1.11.1964
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN