International Standards and Conformity Assessment for all electrical, electronic and related technologies
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection
|TC 49|| ||DELPUB|| ||2008|
IEC 60689 Ed. 1.0
Measurements and test methods for 32 kHz quartz crystal units for wrist watches and standard values
- Next review date: 2005 - Introduction of project no.