Jewels for fine mechanics; jewels with concave shape for watthour-meters.
NORMA vydána dne 1.10.1972
Designation standards: DIN 8274:1972-10
Note: NEPLATNÁ
Publication date standards: 1.10.1972
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Lagersteine der Feinwerktechnik; Kalottensteine für Elektrizitätszähler.