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NEN ISO 4548-12 : 2017
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METHODS OF TEST FOR FULL-FLOW LUBRICATING OIL FILTERS FOR INTERNAL COMBUSTION ENGINES - PART 12: FILTRATION EFFICIENCY USING PARTICLE COUNTING AND CONTAMINANT RETENTION CAPACITY
12-01-2013
Describes a multi-pass filtration test with continuous contaminant injection and using the online particle counting method for evaluating the performance of full-flow lubricating oil filters for internal combustion engines.
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