Organizaciones nacionales
American National Standards Institute
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Association Française de Normalisation
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British Standards Institution
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Dansk Standard
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Deutsches Institut für Normung
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Ente Nazionale Italiano di Unificazione
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Finnish Standards Association
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Hellenic Organization For Standardization
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Instituto Português da Qualidade
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National Standards Authority Of Ireland
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Norges Standardiseringsforbund
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Standards Council of Canada
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Swedish Standards Institute
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