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UNI ISO 12669:2019
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The latest, up-to-date edition.
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Hydraulic fluid power -- Method for determining the required cleanliness level (RCL) of a system
12-12-2019
ISO 12669 specifies a method of determining the required cleanliness level of a hydraulic system, that is, the most appropriate fluid cleanliness level for an operating hydraulic system based upon the individual requirements of that system.
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