O.I.M.L.
International Organization of Legal Metrology. Although most of the information is restricted for its members only (metrology institutions mostly) you can find documents about last OIML meeting, announced changes, news, etc.
WELMEC
European Cooperation in Legal Metrology. We recommend to download at least Welmec 2 and Welmec 2.4 . These are very important documents for serviceman of scales.
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