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International Organization for Standardization (ISO) |
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European Committee for Standardization (CEN) |
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International electrotechnical Commission (IEC) |
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European Committee for electronical standardization (CENELEC) |
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European Telecommunications Standard Institute (ETSI) |
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International Telecommunications Union (ITU) |
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Wolrd Trade Organization (WTO) |
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United Nations Economic Commission for Union (UNECE) |
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European Commission (Directives) |
