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Türk Akreditasyon Kurumu |
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Physikalisch- Technischen Bundesanstalt (Germany) |
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National Institute of Standards and Technology (USA) |
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American Society for Testing and Materials (USA) |
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European Committee for Standardization (Belgium) |
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European Federation of National Associations of Measurement, Testing and Analitical Laboratories |
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Ulusal Metroloji Enstitüsüü |
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Europan Co-operation for Accreditation |
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Bureau International des Poids et Mesures (France) |
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National Physical Laboratory (England) |
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International Organisation for Standardization |
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United Kingdom Accreditation Service |
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International Laboratory Accreditation Cooperation |