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NEN ISO 4548-4 : 1998
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The latest, up-to-date edition.
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METHODS OF TEST FOR FULL-FLOW LUBRICATION OIL FILTERS FOR INTERNAL COMBUSTION ENGINES - PART 4: INITIAL PARTICLE RETENTION EFFICIENCY, LIFE AND CUMULATIVE EFFICIENCY (GRAVIMETRIC METHOD)
Published date
12-01-2013
Publisher
Specifies tests for determining the performance of full-flow lubricating oil filters for internal combustion engines.
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