Watch cases and accessories. Tests of the resistance to wear, scratching and impacts Ingestion-build-239834 Suppliers and distributors of commercial

Suppliers and distributors of commercial hydrochloric acid

This International Standard establishes procedures to achieve the fullness of a pipeline system

Tolerable risk RT

to decide upon the acceptability of the specimens

Auxiliary components and attachments to wet alarm valve assemblies and retard chambers are not covered by this standard

Watch cases and accessories. Tests of the resistance to wear, scratching and impacts Ingestion-build-239834 Suppliers and distributors of commercial1 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