Објављен
This document defines the measuring principles to be used for measuring piston rings; it applies to piston rings up to and including 200 mm diameter for reciprocating internal combustion engines.
This document can be used for piston rings for compressors working under analogous conditions.
ПОВУЧЕН
ISO 6621-2:2003
ОБЈАВЉЕН
ISO 6621-2:2020
90.60
Завршетак поступка преиспитивања стандарда
5. 6. 2025.