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A comparison of the fire performance of different materials
including the classification of aspirating systems
— qualification of software components
ISBN 0 580 39849 8
These rules may be applied to non-standardized steels
Watch cases and accessories. Tests of the resistance to wear, scratching and impacts Ingestion-build-134498 A comparison of the fire1 Scope This International Standard specifies tests for the evaluation of the resistance of watch cases and their wristlets to wear, scratching and impacts occurring when wearing the watch. This International Standard is applicable mainly to complete watch cases fitted with wristlets. However, certain tests can be applied to the watch case only, to the complete or partial wristlet, or to specially prepared samples. NOTE In order to simulate the state
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