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IEC 61557-15 2014 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing measuring or monitoring of protective measures - Part 15 Functional
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IEC 61557-15 2014 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing measuring or monitoring of protective measures - Part 15 Functional
