IEC TS 61994-4-1:2018 : Title: Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection - Glossary - Part 4-1: Piezoelectric materials - Synthetic quartz crystal Pages: 11 Year: Publisher: International Electrotechnical Commission Availability: Within 1-2 working days
IEC will directly send the standards to End-User after our confirmation.