STN 190427 (190427)

Spherical optical test-plates for comparison. Dimensions

NORM herausgegeben am 1.9.1968

The information about the standard:

Designation standards: STN 190427
Classification mark: 190427
Catalog number: 53947
Note: UNGÜLTIG
Publication date standards: 1.9.1968
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN