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Standard Type : Main
Document No : ISO 6621-1:2018
Document Year : 2018
Pages : 33
Edition : 3
Section Volume : Propulsion, powertrain and powertrain fluids (ISO/TC 22/SC 34.)
The terms and definitions in this document apply to piston rings for reciprocating internal combustion engines. They may also be used for piston rings of compressors working under analogous conditions.
NOTE 1 Further terms and definitions covering measuring principles are given in ISO 6621-2:2003.
NOTE 2 This document gives the equivalent terms in the Chinese, English, French, German, Italian, Japanese, Portuguese, Russian and Spanish language.