Thread measuring gauges. Measuring parts of comparison calibres for new thread rings with go side. Metric thread
STANDARD published on 1.12.1954
Designation standards: STN 254122
Classification mark: 254122
Catalog number: 56118
Publication date standards: 1.12.1954
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN