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IEC

PDF Standards IEC 62053-24 Ed. 1.1 b:2016

Electricity metering equipment (a.c.) – Particular requirements – Part 24: Static meters for reactive energy at fundamental frequency(classes 0,5 S, 1 S and 1) CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 11/15/2016

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IEC

PDF Standards IEC 61837-1 Ed. 1.0 b:1999

Surface mounted piezoelectric devices for frequency control and selection – Standard outlines and terminal lead connections – Part 1: Plastic moulded enclosure outlines
standard by International Electrotechnical Commission, 05/07/1999

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