ISO TS 18684 Timekeeping instruments - Watch external parts made of hard materials - General requirements and test methods - First Edition
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International Organization for Standardization
Timekeeping instruments - Watch external parts made of hard materials - General requirements and test methods - First Edition
N TS 18684
Annotation
This Technical Specification concerns whole watches, in which all or some of the components of the external parts are made of hard material, with the exception of watch glasses.
It applies to all elements made in massive material whose hardness is greater than or equal to 1 200 Vickers.
It describes the performance in terms of resistance to mechanical and thermal shocks, to corrosion, to scratches, to sunlight exposure and also to the wear of its components.
Автоматический перевод:
Хронометрирование инструментов - Часов внешние части, сделанные из твердых материалов - Общих требований и методов испытаний - Первый Выпуск
Эта Техническая характеристика касается целых часов, в которых все или некоторые компоненты внешних частей сделаны из твердого материала, за исключением очков часов.
Это относится ко всем элементам, сделанным в крупном материале, твердость которого больше, чем или равна 1 200 Викерсу.



