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IEC 63044-1 Amd. 1 Ed. 1.0 en:2021
M00000804
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IEC 63044-1 Amd. 1 Ed. 1.0 en:2021 Amendment 1 to Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 1: General requirements
Amendment by International Electrotechnical Commission, 05/01/2021
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