标准编号：ISO 6621-2:2020
中文名称：内燃机 活塞环 第2部分：检验测量原则
英文名称：Internal combustion engines — Piston rings — Part 2: Inspection measuring principles
发布日期：2020-03
标准范围
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.
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