IEC-61994-4-1 Complete Document History
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection - Glossary - Part 4-1: Piezoelectric materials - Synthetic quartz crystal

Complete Current Edition:
   EDITION 3.0 - Part 4-1: Piezoelectric materials - Synthetic quartz crystal - Nov. 1, 2018

Obsolete Revision Information:
   2ND EDITION - Part 4-1: Piezoelectric materials - Synthetic quartz crystal - Aug. 1, 2007
   1ST EDITION - DEVICES FOR FREQUENCY CONTROL - May 1, 2001