NEN-ISO 18684:2020
Current
Current
The latest, up-to-date edition.
Timekeeping instruments - Watch external parts made of hard material - General requirements and test methods
Available format(s)
Hardcopy
Language(s)
English
Published date
01-03-2020
Publisher
NEN-ISO 18684 specifies two low voltage tests for detecting and locating defects that extend to the basis metal in vitreous and porcelain enamel coatings.
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