Tracked Changes. Internal combustion engines. Piston rings. General specifications.
STANDARD published on 27.2.2020
Designation standards: BS ISO 6621-4:2015-TC
Note: WITHDRAWN
Publication date standards: 27.2.2020
The number of pages: 84
Approximate weight : 283 g (0.62 lbs)
Country: British technical standard
Category: Technical standards BS