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M00003543
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IEC 60050-561 Amd.3 Ed. 2.0 b:2021
Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 561: Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detectionAmendment by International Electrotechnical Commission, 03/29/2021
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