UNE-EN IEC 62884-3:2018 Measurement techniques of piezoelectric, dielectric and electrostatic oscillators – Part 3: Frequency aging test methods (Endorsed by Asociación Española de Normalización in June of 2018.)
2018UNE-EN IEC 62884-3:2018 Measurement techniques of piezoelectric, dielectric and electrostatic oscillators – Part 3: Frequency aging test methods (Endorsed by Asociación Española de Normalización in June of 2018.)