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ISO 21250-4:2020

Действующий

Rolling bearings — Noise testing of rolling bearing greases — Part 4: Test and evaluation method NQ

Overview ISO 21250-4:2020 - "Rolling bearings - Noise testing of rolling bearing greases - Part 4: Test and evaluation method NQ" specifies the NQ measurement and evaluation procedure for assessing n…

Rolling bearings. Noise testing of rolling bearing greases. Test and evaluation method NQ.