Internal combustion engines; piston rings; quality requirements; identical with ISO 6621-5:1988.
NORMA vydána dne 1.6.1990
Designation standards: DIN ISO 6621-5:1990-06
Note: NEPLATNÁ
Publication date standards: 1.6.1990
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Verbrennungsmotoren; Kolbenringe; Gütebedingungen.